9894737 has 4 divisors (see below), whose sum is σ = 9936036. Its totient is φ = 9853440.

The previous prime is 9894721. The next prime is 9894739. The reversal of 9894737 is 7374989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3936256 + 5958481 = 1984^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 9894737 - 2⁴ = 9894721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9894691 and 9894700.

It is not an unprimeable number, because it can be changed into a prime (9894739) 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, 20288 + ... + 20769.

It is an arithmetic number, because the mean of its divisors is an integer number (2484009).

Almost surely, 2^9894737 is an apocalyptic number.

It is an amenable number.

9894737 is a deficient number, since it is larger than the sum of its proper divisors (41299).

9894737 is a wasteful number, since it uses less digits than its factorization.

9894737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41298.

The product of its digits is 381024, while the sum is 47.

The square root of 9894737 is about 3145.5900877260. The cubic root of 9894737 is about 214.6848600996.

The spelling of 9894737 in words is "nine million, eight hundred ninety-four thousand, seven hundred thirty-seven".