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9994477 = 37270121
BaseRepresentation
bin100110001000…
…000011101101
3200210202211211
4212020003231
510024310402
6554114421
7150644263
oct46100355
920722754
109994477
115706aa9
12341ba11
1320bc1bc
141482433
15d264d7
hex9880ed

9994477 has 4 divisors (see below), whose sum is σ = 10264636. Its totient is φ = 9724320.

The previous prime is 9994469. The next prime is 9994483. The reversal of 9994477 is 7744999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7744999 = 67115597.

It can be written as a sum of positive squares in 2 ways, for example, as 6380676 + 3613801 = 2526^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 9994477 - 23 = 9994469 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9994477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135024 + ... + 135097.

It is an arithmetic number, because the mean of its divisors is an integer number (2566159).

Almost surely, 29994477 is an apocalyptic number.

It is an amenable number.

9994477 is a deficient number, since it is larger than the sum of its proper divisors (270159).

9994477 is a wasteful number, since it uses less digits than its factorization.

9994477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270158.

The product of its digits is 571536, while the sum is 49.

The square root of 9994477 is about 3161.4042765834. The cubic root of 9994477 is about 215.4037985563.

It can be divided in two parts, 999 and 4477, that added together give a square (5476 = 742).

The spelling of 9994477 in words is "nine million, nine hundred ninety-four thousand, four hundred seventy-seven".

Divisors: 1 37 270121 9994477