977420 has 12 divisors (see below), whose sum is σ = 2052624. Its totient is φ = 390960.

The previous prime is 977413. The next prime is 977437. The reversal of 977420 is 24779.

977420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is an unprimeable number.

977420 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, 24416 + ... + 24455.

It is an arithmetic number, because the mean of its divisors is an integer number (171052).

2⁹⁷⁷⁴²⁰ is an apocalyptic number.

It is an amenable number.

977420 is an abundant number, since it is smaller than the sum of its proper divisors (1075204).

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

977420 is a wasteful number, since it uses less digits than its factorization.

977420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48880 (or 48878 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 977420 is about 988.6455380975. The cubic root of 977420 is about 99.2415961093.

The spelling of 977420 in words is "nine hundred seventy-seven thousand, four hundred twenty".