979888 has 40 divisors (see below), whose sum is σ = 2340128. Its totient is φ = 387072.

The previous prime is 979883. The next prime is 979889. The reversal of 979888 is 888979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979883) by changing a digit.

979888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1792.

2⁹⁷⁹⁸⁸⁸ 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 979888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170064).

979888 is an abundant number, since it is smaller than the sum of its proper divisors (1360240).

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

979888 is a wasteful number, since it uses less digits than its factorization.

979888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 695 counting only the distinct ones).

The product of its digits is 290304, while the sum is 49.

The square root of 979888 is about 989.8929235023. The cubic root of 979888 is about 99.3250547380.

Subtracting from 979888 its reverse (888979), we obtain a palindrome (90909).

It can be divided in two parts, 9 and 79888, that added together give a palindrome (79897).

The spelling of 979888 in words is "nine hundred seventy-nine thousand, eight hundred eighty-eight".