972797 has 6 divisors (see below), whose sum is σ = 1131678. Its totient is φ = 833784.

The previous prime is 972793. The next prime is 972799. The reversal of 972797 is 797279.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 290521 = 826^2 + 539^2 .

It is not a de Polignac number, because 972797 - 2² = 972793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9878 + ... + 9975.

It is an arithmetic number, because the mean of its divisors is an integer number (188613).

2⁹⁷²⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

972797 is a deficient number, since it is larger than the sum of its proper divisors (158881).

972797 is a wasteful number, since it uses less digits than its factorization.

972797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867 (or 19860 counting only the distinct ones).

The product of its digits is 55566, while the sum is 41.

The square root of 972797 is about 986.3047196480. The cubic root of 972797 is about 99.0848845149.

The spelling of 972797 in words is "nine hundred seventy-two thousand, seven hundred ninety-seven".