977380 has 12 divisors (see below), whose sum is σ = 2052540. Its totient is φ = 390944.

The previous prime is 977369. The next prime is 977407. The reversal of 977380 is 83779.

It can be written as a sum of positive squares in 2 ways, for example, as 285156 + 692224 = 534^2 + 832^2 .

It is an unprimeable number.

977380 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 3 ways as a sum of consecutive naturals, for example, 24415 + ... + 24454.

It is an arithmetic number, because the mean of its divisors is an integer number (171045).

2⁹⁷⁷³⁸⁰ is an apocalyptic number.

It is an amenable number.

977380 is an abundant number, since it is smaller than the sum of its proper divisors (1075160).

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

977380 is a wasteful number, since it uses less digits than its factorization.

977380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48878 (or 48876 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 977380 is about 988.6253081931. The cubic root of 977380 is about 99.2402423009.

The spelling of 977380 in words is "nine hundred seventy-seven thousand, three hundred eighty".