977946 has 16 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 324368.

The previous prime is 977927. The next prime is 977971. The reversal of 977946 is 649779.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 977898 and 977907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2⁹⁷⁷⁹⁴⁶ is an apocalyptic number.

977946 is an abundant number, since it is smaller than the sum of its proper divisors (987654).

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

977946 is a wasteful number, since it uses less digits than its factorization.

977946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813.

The product of its digits is 95256, while the sum is 42.

The square root of 977946 is about 988.9115228371. The cubic root of 977946 is about 99.2593952534.

The spelling of 977946 in words is "nine hundred seventy-seven thousand, nine hundred forty-six".