979853620 has 24 divisors (see below), whose sum is σ = 2065710024. Its totient is φ = 390414336.

The previous prime is 979853597. The next prime is 979853639. The reversal of 979853620 is 26358979.

979853620 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 358647844 + 621205776 = 18938^2 + 24924^2 .

It is a super-2 number, since 2×979853620² = 1920226233254208800, which contains 22 as substring.

It is a congruent number.

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, 90177 + ... + 100456.

It is an arithmetic number, because the mean of its divisors is an integer number (86071251).

Almost surely, 2^979853620 is an apocalyptic number.

It is an amenable number.

979853620 is an abundant number, since it is smaller than the sum of its proper divisors (1085856404).

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

979853620 is a wasteful number, since it uses less digits than its factorization.

979853620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190899 (or 190897 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 979853620 is about 31302.6136288969. The cubic root of 979853620 is about 993.2389309663.

The spelling of 979853620 in words is "nine hundred seventy-nine million, eight hundred fifty-three thousand, six hundred twenty".