972499 has 8 divisors (see below), whose sum is σ = 1068480. Its totient is φ = 877800.

The previous prime is 972493. The next prime is 972533. The reversal of 972499 is 994279.

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

It is not a de Polignac number, because 972499 - 2¹⁷ = 841427 is a prime.

It is a Duffinian number.

972499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (972493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2⁹⁷²⁴⁹⁹ is an apocalyptic number.

972499 is a deficient number, since it is larger than the sum of its proper divisors (95981).

972499 is a wasteful number, since it uses less digits than its factorization.

972499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its digits is 40824, while the sum is 40.

The square root of 972499 is about 986.1536391455. The cubic root of 972499 is about 99.0747658189.

The spelling of 972499 in words is "nine hundred seventy-two thousand, four hundred ninety-nine".