10388979 has 14 divisors (see below), whose sum is σ = 15577436. Its totient is φ = 6925500.

The previous prime is 10388957. The next prime is 10388993. The reversal of 10388979 is 97988301.

It is not a de Polignac number, because 10388979 - 2⁵ = 10388947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10388179) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6397 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (1112674).

Almost surely, 2^10388979 is an apocalyptic number.

10388979 is a deficient number, since it is larger than the sum of its proper divisors (5188457).

10388979 is an frugal number, since it uses more digits than its factorization.

10388979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14269 (or 14254 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 10388979 is about 3223.1939128759. The cubic root of 10388979 is about 218.2014452514.

The spelling of 10388979 in words is "ten million, three hundred eighty-eight thousand, nine hundred seventy-nine".