972979 has 8 divisors (see below), whose sum is σ = 1150560. Its totient is φ = 805056.

The previous prime is 972977. The next prime is 972991. The reversal of 972979 is 979279.

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

It is not a de Polignac number, because 972979 - 2¹ = 972977 is a prime.

It is a Duffinian number.

972979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (972977) 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, 2194 + ... + 2599.

It is an arithmetic number, because the mean of its divisors is an integer number (143820).

2⁹⁷²⁹⁷⁹ is an apocalyptic number.

972979 is a deficient number, since it is larger than the sum of its proper divisors (177581).

972979 is a wasteful number, since it uses less digits than its factorization.

972979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829.

The product of its digits is 71442, while the sum is 43.

The square root of 972979 is about 986.3969789086. The cubic root of 972979 is about 99.0910633732.

The spelling of 972979 in words is "nine hundred seventy-two thousand, nine hundred seventy-nine".