972655 has 8 divisors (see below), whose sum is σ = 1235952. Its totient is φ = 732288.

The previous prime is 972649. The next prime is 972661. The reversal of 972655 is 556279.

It is an interprime number because it is at equal distance from previous prime (972649) and next prime (972661).

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

It is a cyclic number.

It is not a de Polignac number, because 972655 - 2⁵ = 972623 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 972655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5637 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (154494).

2⁹⁷²⁶⁵⁵ is an apocalyptic number.

972655 is a deficient number, since it is larger than the sum of its proper divisors (263297).

972655 is a wasteful number, since it uses less digits than its factorization.

972655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465.

The product of its digits is 18900, while the sum is 34.

The square root of 972655 is about 986.2327311543. The cubic root of 972655 is about 99.0800631121.

The spelling of 972655 in words is "nine hundred seventy-two thousand, six hundred fifty-five".