977216 has 14 divisors (see below), whose sum is σ = 1939290. Its totient is φ = 488576.

The previous prime is 977209. The next prime is 977233. The reversal of 977216 is 612779.

It can be written as a sum of positive squares in only one way, i.e., 817216 + 160000 = 904^2 + 400^2 .

It is a super-2 number, since 2×977216² = 1909902221312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 977216.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7571 + ... + 7698.

2⁹⁷⁷²¹⁶ is an apocalyptic number.

It is an amenable number.

977216 is a deficient number, since it is larger than the sum of its proper divisors (962074).

977216 is a wasteful number, since it uses less digits than its factorization.

977216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281 (or 15271 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 977216 is about 988.5423612572. The cubic root of 977216 is about 99.2346913006.

The spelling of 977216 in words is "nine hundred seventy-seven thousand, two hundred sixteen".