904000 has 56 divisors (see below), whose sum is σ = 2258568. Its totient is φ = 358400.

The previous prime is 903979. The next prime is 904019. The reversal of 904000 is 409.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 238144 + 665856 = 488^2 + 816^2 .

It is a nialpdrome in base 16.

It is a congruent number.

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, 7944 + ... + 8056.

2⁹⁰⁴⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1129284).

904000 is an abundant number, since it is smaller than the sum of its proper divisors (1354568).

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

904000 is a wasteful number, since it uses less digits than its factorization.

904000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 904000 is about 950.7891459204. The cubic root of 904000 is about 96.6917625422.

Adding to 904000 its reverse (409), we get a palindrome (904409).

It can be divided in two parts, 90 and 4000, that multiplied together give a square (360000 = 600²).

The spelling of 904000 in words is "nine hundred four thousand".