979616 has 48 divisors (see below), whose sum is σ = 2213568. Its totient is φ = 425920.

The previous prime is 979567. The next prime is 979651. The reversal of 979616 is 616979.

979616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (20412) is a multiple of the sum of its prime divisors (36).

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 979616.

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, 42581 + ... + 42603.

It is an arithmetic number, because the mean of its divisors is an integer number (46116).

2⁹⁷⁹⁶¹⁶ 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 979616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106784).

979616 is an abundant number, since it is smaller than the sum of its proper divisors (1233952).

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

979616 is a wasteful number, since it uses less digits than its factorization.

979616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 36 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 979616 is about 989.7555253698. The cubic root of 979616 is about 99.3158635804.

The spelling of 979616 in words is "nine hundred seventy-nine thousand, six hundred sixteen".