904564427 has 16 divisors (see below), whose sum is σ = 1002398880. Its totient is φ = 810950400.

The previous prime is 904564403. The next prime is 904564429. The reversal of 904564427 is 724465409.

It is not a de Polignac number, because 904564427 - 2⁶ = 904564363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904564429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118352 + ... + 125762.

It is an arithmetic number, because the mean of its divisors is an integer number (62649930).

Almost surely, 2^904564427 is an apocalyptic number.

904564427 is a deficient number, since it is larger than the sum of its proper divisors (97834453).

904564427 is a wasteful number, since it uses less digits than its factorization.

904564427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 904564427 is about 30075.9775734722. The cubic root of 904564427 is about 967.1188204335.

The spelling of 904564427 in words is "nine hundred four million, five hundred sixty-four thousand, four hundred twenty-seven".