977312 has 24 divisors (see below), whose sum is σ = 2199456. Its totient is φ = 418752.

The previous prime is 977299. The next prime is 977323. The reversal of 977312 is 213779.

It is a happy number.

977312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 977312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958 + ... + 2405.

It is an arithmetic number, because the mean of its divisors is an integer number (91644).

2⁹⁷⁷³¹² is an apocalyptic number.

It is an amenable number.

977312 is an abundant number, since it is smaller than the sum of its proper divisors (1222144).

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

977312 is a wasteful number, since it uses less digits than its factorization.

977312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380 (or 4372 counting only the distinct ones).

The product of its digits is 2646, while the sum is 29.

The square root of 977312 is about 988.5909164058. The cubic root of 977312 is about 99.2379407420.

The spelling of 977312 in words is "nine hundred seventy-seven thousand, three hundred twelve".