904542684 has 12 divisors (see below), whose sum is σ = 2110599624. Its totient is φ = 301514224.

The previous prime is 904542677. The next prime is 904542763. The reversal of 904542684 is 486245409.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37689267 + ... + 37689290.

It is an arithmetic number, because the mean of its divisors is an integer number (175883302).

Almost surely, 2^904542684 is an apocalyptic number.

It is an amenable number.

904542684 is an abundant number, since it is smaller than the sum of its proper divisors (1206056940).

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

904542684 is a wasteful number, since it uses less digits than its factorization.

904542684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75378564 (or 75378562 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 904542684 is about 30075.6161034151. The cubic root of 904542684 is about 967.1110714985. Note that the first 3 decimals are identical.

The spelling of 904542684 in words is "nine hundred four million, five hundred forty-two thousand, six hundred eighty-four".