979989360 has 240 divisors, whose sum is σ = 3593484288. Its totient is φ = 216414720.

The previous prime is 979989349. The next prime is 979989397. The reversal of 979989360 is 63989979.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 979989294 and 979989303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1614177 + ... + 1614783.

Almost surely, 2^979989360 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 979989360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796742144).

979989360 is an abundant number, since it is smaller than the sum of its proper divisors (2613494928).

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

979989360 is a wasteful number, since it uses less digits than its factorization.

979989360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 60.

The square root of 979989360 is about 31304.7817433695. The cubic root of 979989360 is about 993.2847936083.

The spelling of 979989360 in words is "nine hundred seventy-nine million, nine hundred eighty-nine thousand, three hundred sixty".