9994545 has 48 divisors (see below), whose sum is σ = 19266624. Its totient is φ = 4752000.

The previous prime is 9994507. The next prime is 9994553. The reversal of 9994545 is 5454999.

It is not a de Polignac number, because 9994545 - 2⁷ = 9994417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

9994545 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9994545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30030 + ... + 30360.

It is an arithmetic number, because the mean of its divisors is an integer number (401388).

Almost surely, 2^9994545 is an apocalyptic number.

It is an amenable number.

9994545 is a deficient number, since it is larger than the sum of its proper divisors (9272079).

9994545 is a wasteful number, since it uses less digits than its factorization.

9994545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 411 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 9994545 is about 3161.4150312795. The cubic root of 9994545 is about 215.4042870736.

The spelling of 9994545 in words is "nine million, nine hundred ninety-four thousand, five hundred forty-five".