904120 has 32 divisors (see below), whose sum is σ = 2325600. Its totient is φ = 309888.

The previous prime is 904117. The next prime is 904121. The reversal of 904120 is 21409.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 904094 and 904103.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 904120.

It is not an unprimeable number, because it can be changed into a prime (904121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335 + ... + 1894.

It is an arithmetic number, because the mean of its divisors is an integer number (72675).

2⁹⁰⁴¹²⁰ is an apocalyptic number.

It is an amenable number.

904120 is an abundant number, since it is smaller than the sum of its proper divisors (1421480).

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

904120 is a wasteful number, since it uses less digits than its factorization.

904120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 904120 is about 950.8522493006. The cubic root of 904120 is about 96.6960407495.

Adding to 904120 its reverse (21409), we get a palindrome (925529).

It can be divided in two parts, 904 and 120, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 904120 in words is "nine hundred four thousand, one hundred twenty".