904356 has 18 divisors (see below), whose sum is σ = 2286102. Its totient is φ = 301440.

The previous prime is 904303. The next prime is 904357. The reversal of 904356 is 653409.

It is a happy number.

904356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 147456 = 870^2 + 384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904357) by changing a digit.

904356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12525 + ... + 12596.

2⁹⁰⁴³⁵⁶ is an apocalyptic number.

It is an amenable number.

904356 is an abundant number, since it is smaller than the sum of its proper divisors (1381746).

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

904356 is a wasteful number, since it uses less digits than its factorization.

904356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25131 (or 25126 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 904356 is about 950.9763403997. The cubic root of 904356 is about 96.7044534530.

The spelling of 904356 in words is "nine hundred four thousand, three hundred fifty-six".