1970904 has 32 divisors (see below), whose sum is σ = 5307120. Its totient is φ = 606336.

The previous prime is 1970873. The next prime is 1970921. The reversal of 1970904 is 4090791.

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, 2847 + ... + 3470.

2^1970904 is an apocalyptic number.

It is an amenable number.

1970904 is an abundant number, since it is smaller than the sum of its proper divisors (3336216).

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

1970904 is a wasteful number, since it uses less digits than its factorization.

1970904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339 (or 6335 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1970904 is about 1403.8888844919. Note that the first 5 decimals coincide. The cubic root of 1970904 is about 125.3781402594.

The spelling of 1970904 in words is "one million, nine hundred seventy thousand, nine hundred four".