979393800 has 768 divisors, whose sum is σ = 4242585600. Its totient is φ = 180633600.

The previous prime is 979393799. The next prime is 979393871. The reversal of 979393800 is 8393979.

It is a self number, because there is not a number n which added to its sum of digits gives 979393800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 22776579 + ... + 22776621.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^979393800 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 979393800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2121292800).

979393800 is an abundant number, since it is smaller than the sum of its proper divisors (3263191800).

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

979393800 is a wasteful number, since it uses less digits than its factorization.

979393800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 979393800 is about 31295.2680129121. The cubic root of 979393800 is about 993.0835395298.

The spelling of 979393800 in words is "nine hundred seventy-nine million, three hundred ninety-three thousand, eight hundred".