979402560 has 112 divisors (see below), whose sum is σ = 3244876416. Its totient is φ = 249812992.

The previous prime is 979402559. The next prime is 979402607. The reversal of 979402560 is 65204979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 44258.

Almost surely, 2^979402560 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 979402560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622438208).

979402560 is an abundant number, since it is smaller than the sum of its proper divisors (2265473856).

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

979402560 is a wasteful number, since it uses less digits than its factorization.

979402560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44400 (or 44390 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 979402560 is about 31295.4079698604. The cubic root of 979402560 is about 993.0865003360.

The spelling of 979402560 in words is "nine hundred seventy-nine million, four hundred two thousand, five hundred sixty".