972687 has 8 divisors (see below), whose sum is σ = 1338880. Its totient is φ = 627480.

The previous prime is 972683. The next prime is 972701. The reversal of 972687 is 786279.

972687 is nontrivially palindromic in base 5.

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

It is not a de Polignac number, because 972687 - 2² = 972683 is a prime.

It is a super-2 number, since 2×972687² = 1892239999938, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 5.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972687.

It is not an unprimeable number, because it can be changed into a prime (972683) 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, 5137 + ... + 5322.

It is an arithmetic number, because the mean of its divisors is an integer number (167360).

2⁹⁷²⁶⁸⁷ is an apocalyptic number.

972687 is a deficient number, since it is larger than the sum of its proper divisors (366193).

972687 is a wasteful number, since it uses less digits than its factorization.

972687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493.

The product of its digits is 42336, while the sum is 39.

The square root of 972687 is about 986.2489543721. The cubic root of 972687 is about 99.0811496664.

The spelling of 972687 in words is "nine hundred seventy-two thousand, six hundred eighty-seven".