904617042 has 32 divisors (see below), whose sum is σ = 2073974784. Its totient is φ = 257677200.

The previous prime is 904617023. The next prime is 904617059. The reversal of 904617042 is 240716409.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 904616994 and 904617012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18634 + ... + 46437.

It is an arithmetic number, because the mean of its divisors is an integer number (64811712).

Almost surely, 2^904617042 is an apocalyptic number.

904617042 is an abundant number, since it is smaller than the sum of its proper divisors (1169357742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904617042 is a wasteful number, since it uses less digits than its factorization.

904617042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65414.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 904617042 is about 30076.8522621633. The cubic root of 904617042 is about 967.1375712520.

The spelling of 904617042 in words is "nine hundred four million, six hundred seventeen thousand, forty-two".