979911 has 8 divisors (see below), whose sum is σ = 1451760. Its totient is φ = 653256.

The previous prime is 979907. The next prime is 979919. The reversal of 979911 is 119979.

It is not a de Polignac number, because 979911 - 2² = 979907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979919) 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, 18120 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (181470).

2⁹⁷⁹⁹¹¹ is an apocalyptic number.

979911 is a deficient number, since it is larger than the sum of its proper divisors (471849).

979911 is a wasteful number, since it uses less digits than its factorization.

979911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36302 (or 36296 counting only the distinct ones).

The product of its digits is 5103, while the sum is 36.

The square root of 979911 is about 989.9045408523. The cubic root of 979911 is about 99.3258318535.

The spelling of 979911 in words is "nine hundred seventy-nine thousand, nine hundred eleven".