979420 has 24 divisors (see below), whose sum is σ = 2215584. Its totient is φ = 361536.

The previous prime is 979403. The next prime is 979423. The reversal of 979420 is 24979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979423) by changing a digit.

979420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (92316).

2⁹⁷⁹⁴²⁰ is an apocalyptic number.

It is an amenable number.

979420 is an abundant number, since it is smaller than the sum of its proper divisors (1236164).

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

979420 is a wasteful number, since it uses less digits than its factorization.

979420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 979420 is about 989.6565060666. The cubic root of 979420 is about 99.3092394857.

The spelling of 979420 in words is "nine hundred seventy-nine thousand, four hundred twenty".