10979939 has 4 divisors (see below), whose sum is σ = 11160000. Its totient is φ = 10799880.

The previous prime is 10979933. The next prime is 10979953. The reversal of 10979939 is 93997901.

It is a happy number.

10979939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93997901 = 1063 ⋅88427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10979939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10979893 and 10979902.

It is not an unprimeable number, because it can be changed into a prime (10979933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89939 + ... + 90060.

It is an arithmetic number, because the mean of its divisors is an integer number (2790000).

Almost surely, 2^10979939 is an apocalyptic number.

10979939 is a deficient number, since it is larger than the sum of its proper divisors (180061).

10979939 is an equidigital number, since it uses as much as digits as its factorization.

10979939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180060.

The product of its (nonzero) digits is 137781, while the sum is 47.

The square root of 10979939 is about 3313.5991006759. The cubic root of 10979939 is about 222.2627290141.

The spelling of 10979939 in words is "ten million, nine hundred seventy-nine thousand, nine hundred thirty-nine".