979953 has 8 divisors (see below), whose sum is σ = 1407168. Its totient is φ = 603024.

The previous prime is 979949. The next prime is 979969. The reversal of 979953 is 359979.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 979953 - 2² = 979949 is a prime.

979953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (979553) 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, 12525 + ... + 12602.

It is an arithmetic number, because the mean of its divisors is an integer number (175896).

2⁹⁷⁹⁹⁵³ is an apocalyptic number.

It is an amenable number.

979953 is a deficient number, since it is larger than the sum of its proper divisors (427215).

979953 is a wasteful number, since it uses less digits than its factorization.

979953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25143.

The product of its digits is 76545, while the sum is 42.

The square root of 979953 is about 989.9257547917. The cubic root of 979953 is about 99.3272509025.

The spelling of 979953 in words is "nine hundred seventy-nine thousand, nine hundred fifty-three".