971904 has 32 divisors (see below), whose sum is σ = 2582640. Its totient is φ = 323840.

The previous prime is 971903. The next prime is 971917. The reversal of 971904 is 409179.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (971903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882 + ... + 1649.

2⁹⁷¹⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

971904 is an abundant number, since it is smaller than the sum of its proper divisors (1610736).

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

971904 is a wasteful number, since it uses less digits than its factorization.

971904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2536 counting only the distinct ones).

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

The square root of 971904 is about 985.8519158575. The cubic root of 971904 is about 99.0545561968.

The spelling of 971904 in words is "nine hundred seventy-one thousand, nine hundred four".