1376904 has 32 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 453696.

The previous prime is 1376899. The next prime is 1376923. The reversal of 1376904 is 4096731.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 2194 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (108810).

2^1376904 is an apocalyptic number.

It is an amenable number.

1376904 is an abundant number, since it is smaller than the sum of its proper divisors (2105016).

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

1376904 is a wasteful number, since it uses less digits than its factorization.

1376904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1376904 is about 1173.4155274241. The cubic root of 1376904 is about 111.2503076202.

The spelling of 1376904 in words is "one million, three hundred seventy-six thousand, nine hundred four".