972379489 has 3 divisors (see below), whose sum is σ = 972410673. Its totient is φ = 972348306.

The previous prime is 972379469. The next prime is 972379501. The reversal of 972379489 is 984973279.

The square root of 972379489 is 31183.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 984973279 = 21529 ⋅45751.

It is not a de Polignac number, because 972379489 - 2⁷ = 972379361 is a prime.

It is a super-2 number, since 2×972379489² = 1891043741255802242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972379439) 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 2 ways as a sum of consecutive naturals, for example, 15592 + ... + 46774.

It is an arithmetic number, because the mean of its divisors is an integer number (324136891).

Almost surely, 2^972379489 is an apocalyptic number.

972379489 is the 31183-rd square number.

972379489 is the 15592-nd centered octagonal number.

It is an amenable number.

972379489 is a deficient number, since it is larger than the sum of its proper divisors (31184).

972379489 is an frugal number, since it uses more digits than its factorization.

972379489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62366 (or 31183 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 58.

The cubic root of 972379489 is about 990.7070719969.

The spelling of 972379489 in words is "nine hundred seventy-two million, three hundred seventy-nine thousand, four hundred eighty-nine".