904434 has 16 divisors (see below), whose sum is σ = 1915488. Its totient is φ = 283712.

The previous prime is 904399. The next prime is 904441. The reversal of 904434 is 434409.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4332 + ... + 4535.

It is an arithmetic number, because the mean of its divisors is an integer number (119718).

2⁹⁰⁴⁴³⁴ is an apocalyptic number.

904434 is an abundant number, since it is smaller than the sum of its proper divisors (1011054).

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

904434 is a wasteful number, since it uses less digits than its factorization.

904434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 904434 is about 951.0173499995. The cubic root of 904434 is about 96.7072336009.

The spelling of 904434 in words is "nine hundred four thousand, four hundred thirty-four".