904378 has 12 divisors (see below), whose sum is σ = 1395630. Its totient is φ = 439520.

The previous prime is 904369. The next prime is 904399. The reversal of 904378 is 873409.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 106929 + 797449 = 327^2 + 893^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3228 + ... + 3496.

2⁹⁰⁴³⁷⁸ is an apocalyptic number.

904378 is a deficient number, since it is larger than the sum of its proper divisors (491252).

904378 is a wasteful number, since it uses less digits than its factorization.

904378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 904378 is about 950.9879073889. The cubic root of 904378 is about 96.7052376134.

Adding to 904378 its sum of digits (31), we get a palindrome (904409).

The spelling of 904378 in words is "nine hundred four thousand, three hundred seventy-eight".