904072 has 16 divisors (see below), whose sum is σ = 1825740. Its totient is φ = 417216.

The previous prime is 904069. The next prime is 904073. The reversal of 904072 is 270409.

904072 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 2 ways, for example, as 715716 + 188356 = 846^2 + 434^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (904073) 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, 4243 + ... + 4450.

2⁹⁰⁴⁰⁷² is an apocalyptic number.

It is an amenable number.

904072 is an abundant number, since it is smaller than the sum of its proper divisors (921668).

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

904072 is a wasteful number, since it uses less digits than its factorization.

904072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712 (or 8708 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 904072 is about 950.8270084511. The cubic root of 904072 is about 96.6943295120.

It can be divided in two parts, 90407 and 2, that added together give a palindrome (90409).

The spelling of 904072 in words is "nine hundred four thousand, seventy-two".