979389376 has 56 divisors (see below), whose sum is σ = 2247960960. Its totient is φ = 414665472.

The previous prime is 979389361. The next prime is 979389379. The reversal of 979389376 is 673983979.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979389379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24015 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (40142160).

Almost surely, 2^979389376 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 979389376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123980480).

979389376 is an abundant number, since it is smaller than the sum of its proper divisors (1268571584).

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

979389376 is a wasteful number, since it uses less digits than its factorization.

979389376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26441 (or 26431 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 61.

The square root of 979389376 is about 31295.1973312200. The cubic root of 979389376 is about 993.0820442483.

The spelling of 979389376 in words is "nine hundred seventy-nine million, three hundred eighty-nine thousand, three hundred seventy-six".