10240904 has 8 divisors (see below), whose sum is σ = 19201710. Its totient is φ = 5120448.

The previous prime is 10240889. The next prime is 10240907. The reversal of 10240904 is 40904201.

It can be written as a sum of positive squares in only one way, i.e., 7344100 + 2896804 = 2710^2 + 1702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10240904² = 209752229474432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10240907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640049 + ... + 640064.

Almost surely, 2^10240904 is an apocalyptic number.

It is an amenable number.

10240904 is a deficient number, since it is larger than the sum of its proper divisors (8960806).

10240904 is a wasteful number, since it uses less digits than its factorization.

10240904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280119 (or 1280115 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10240904 is about 3200.1412468827. The cubic root of 10240904 is about 217.1597993310.

The spelling of 10240904 in words is "ten million, two hundred forty thousand, nine hundred four".