977916 has 24 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 323632.

The previous prime is 977897. The next prime is 977923. The reversal of 977916 is 619779.

It is a congruent number.

It is an unprimeable number.

977916 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, 2545 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2⁹⁷⁷⁹¹⁶ is an apocalyptic number.

It is an amenable number.

977916 is an abundant number, since it is smaller than the sum of its proper divisors (1320324).

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

977916 is a wasteful number, since it uses less digits than its factorization.

977916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 591 counting only the distinct ones).

The product of its digits is 23814, while the sum is 39.

The square root of 977916 is about 988.8963545286. The cubic root of 977916 is about 99.2583802647.

The spelling of 977916 in words is "nine hundred seventy-seven thousand, nine hundred sixteen".