904380 has 24 divisors (see below), whose sum is σ = 2532432. Its totient is φ = 241152.

The previous prime is 904369. The next prime is 904399. The reversal of 904380 is 83409.

It is a self number, because there is not a number n which added to its sum of digits gives 904380.

It is a congruent number.

It is an unprimeable number.

904380 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 7 ways as a sum of consecutive naturals, for example, 7477 + ... + 7596.

It is an arithmetic number, because the mean of its divisors is an integer number (105518).

2⁹⁰⁴³⁸⁰ is an apocalyptic number.

It is an amenable number.

904380 is an abundant number, since it is smaller than the sum of its proper divisors (1628052).

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

904380 is a wasteful number, since it uses less digits than its factorization.

904380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085 (or 15083 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 904380 is about 950.9889589264. The cubic root of 904380 is about 96.7053089001.

Adding to 904380 its reverse (83409), we get a palindrome (987789).

The spelling of 904380 in words is "nine hundred four thousand, three hundred eighty".