979409536 has 128 divisors (see below), whose sum is σ = 2366530560. Its totient is φ = 394813440.

The previous prime is 979409527. The next prime is 979409539. The reversal of 979409536 is 635904979.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (979409539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027236 + ... + 1028188.

It is an arithmetic number, because the mean of its divisors is an integer number (18488520).

Almost surely, 2^979409536 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 979409536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183265280).

979409536 is an abundant number, since it is smaller than the sum of its proper divisors (1387121024).

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

979409536 is a wasteful number, since it uses less digits than its factorization.

979409536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 979409536 is about 31295.5194237130. The cubic root of 979409536 is about 993.0888581527.

The spelling of 979409536 in words is "nine hundred seventy-nine million, four hundred nine thousand, five hundred thirty-six".