972399267 has 36 divisors (see below), whose sum is σ = 1704952080. Its totient is φ = 531492192.

The previous prime is 972399251. The next prime is 972399299. The reversal of 972399267 is 762993279.

It is not a de Polignac number, because 972399267 - 2⁴ = 972399251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (972399217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37792 + ... + 58077.

It is an arithmetic number, because the mean of its divisors is an integer number (47359780).

Almost surely, 2^972399267 is an apocalyptic number.

972399267 is a deficient number, since it is larger than the sum of its proper divisors (732552813).

972399267 is a wasteful number, since it uses less digits than its factorization.

972399267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95912 (or 95902 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The square root of 972399267 is about 31183.3171263097. The cubic root of 972399267 is about 990.7137888778.

The spelling of 972399267 in words is "nine hundred seventy-two million, three hundred ninety-nine thousand, two hundred sixty-seven".