979644120 has 256 divisors, whose sum is σ = 3641379840. Its totient is φ = 205314048.

The previous prime is 979644109. The next prime is 979644137. The reversal of 979644120 is 21446979.

979644120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3090202 + ... + 3090518.

It is an arithmetic number, because the mean of its divisors is an integer number (14224140).

Almost surely, 2^979644120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 979644120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820689920).

979644120 is an abundant number, since it is smaller than the sum of its proper divisors (2661735720).

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

979644120 is a wasteful number, since it uses less digits than its factorization.

979644120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 979644120 is about 31299.2670840708. The cubic root of 979644120 is about 993.1681386277.

The spelling of 979644120 in words is "nine hundred seventy-nine million, six hundred forty-four thousand, one hundred twenty".