979085400 has 96 divisors (see below), whose sum is σ = 3133132800. Its totient is φ = 252662400.

The previous prime is 979085399. The next prime is 979085467. The reversal of 979085400 is 4580979.

979085400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7720 + ... + 44919.

It is an arithmetic number, because the mean of its divisors is an integer number (32636800).

Almost surely, 2^979085400 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 979085400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1566566400).

979085400 is an abundant number, since it is smaller than the sum of its proper divisors (2154047400).

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

979085400 is a wasteful number, since it uses less digits than its factorization.

979085400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52689 (or 52680 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 979085400 is about 31290.3403624825. The cubic root of 979085400 is about 992.9792916723.

The spelling of 979085400 in words is "nine hundred seventy-nine million, eighty-five thousand, four hundred".