9979458 has 16 divisors (see below), whose sum is σ = 20603136. Its totient is φ = 3219120.

The previous prime is 9979433. The next prime is 9979469. The reversal of 9979458 is 8549799.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9979458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26641 + ... + 27012.

It is an arithmetic number, because the mean of its divisors is an integer number (1287696).

Almost surely, 2^9979458 is an apocalyptic number.

9979458 is an abundant number, since it is smaller than the sum of its proper divisors (10623678).

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

9979458 is a wasteful number, since it uses less digits than its factorization.

9979458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53689.

The product of its digits is 816480, while the sum is 51.

The square root of 9979458 is about 3159.0280150705. The cubic root of 9979458 is about 215.2958465503.

The spelling of 9979458 in words is "nine million, nine hundred seventy-nine thousand, four hundred fifty-eight".