977938 has 16 divisors (see below), whose sum is σ = 1635480. Its totient is φ = 435456.

The previous prime is 977927. The next prime is 977971. The reversal of 977938 is 839779.

977938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 935089 + 42849 = 967^2 + 207^2 .

It is a junction number, because it is equal to n+sod(n) for n = 977894 and 977903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 1402.

2⁹⁷⁷⁹³⁸ is an apocalyptic number.

977938 is a deficient number, since it is larger than the sum of its proper divisors (657542).

977938 is a wasteful number, since it uses less digits than its factorization.

977938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341.

The product of its digits is 95256, while the sum is 43.

The square root of 977938 is about 988.9074779776. The cubic root of 977938 is about 99.2591245918.

The spelling of 977938 in words is "nine hundred seventy-seven thousand, nine hundred thirty-eight".