979955 has 4 divisors (see below), whose sum is σ = 1175952. Its totient is φ = 783960.

The previous prime is 979949. The next prime is 979969. The reversal of 979955 is 559979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559979 = 7 ⋅79997.

It is not a de Polignac number, because 979955 - 2¹⁰ = 978931 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97991 + ... + 98000.

It is an arithmetic number, because the mean of its divisors is an integer number (293988).

2⁹⁷⁹⁹⁵⁵ is an apocalyptic number.

979955 is a deficient number, since it is larger than the sum of its proper divisors (195997).

979955 is a wasteful number, since it uses less digits than its factorization.

979955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195996.

The product of its digits is 127575, while the sum is 44.

The square root of 979955 is about 989.9267649680. The cubic root of 979955 is about 99.3273184753.

The spelling of 979955 in words is "nine hundred seventy-nine thousand, nine hundred fifty-five".