9933904 has 10 divisors (see below), whose sum is σ = 19246970. Its totient is φ = 4966944.

The previous prime is 9933887. The next prime is 9933923. The reversal of 9933904 is 4093399.

It can be written as a sum of positive squares in only one way, i.e., 6864400 + 3069504 = 2620^2 + 1752^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310419 + ... + 310450.

It is an arithmetic number, because the mean of its divisors is an integer number (1924697).

Almost surely, 2^9933904 is an apocalyptic number.

It is an amenable number.

9933904 is a deficient number, since it is larger than the sum of its proper divisors (9313066).

9933904 is a wasteful number, since it uses less digits than its factorization.

9933904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620877 (or 620871 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9933904 is about 3151.8096389217. The cubic root of 9933904 is about 214.9677543131.

The spelling of 9933904 in words is "nine million, nine hundred thirty-three thousand, nine hundred four".