904534 has 8 divisors (see below), whose sum is σ = 1373400. Its totient is φ = 446736.

The previous prime is 904531. The next prime is 904559. The reversal of 904534 is 435409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 904499 and 904508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559 + ... + 2890.

It is an arithmetic number, because the mean of its divisors is an integer number (171675).

2⁹⁰⁴⁵³⁴ is an apocalyptic number.

904534 is a deficient number, since it is larger than the sum of its proper divisors (468866).

904534 is a wasteful number, since it uses less digits than its factorization.

904534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 904534 is about 951.0699238226. The cubic root of 904534 is about 96.7107976594.

It can be divided in two parts, 90 and 4534, that added together give a square (4624 = 68²).

The spelling of 904534 in words is "nine hundred four thousand, five hundred thirty-four".