972839465 has 8 divisors (see below), whose sum is σ = 1257208008. Its totient is φ = 718404480.

The previous prime is 972839459. The next prime is 972839471. The reversal of 972839465 is 564938279.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (972839459) and next prime (972839471).

It can be written as a sum of positive squares in 4 ways, for example, as 63696361 + 909143104 = 7981^2 + 30152^2 .

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

It is not a de Polignac number, because 972839465 - 2⁴ = 972839449 is a prime.

It is a super-2 number, since 2×972839465² = 1892833249322972450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7483316 + ... + 7483445.

It is an arithmetic number, because the mean of its divisors is an integer number (157151001).

Almost surely, 2^972839465 is an apocalyptic number.

It is an amenable number.

972839465 is a deficient number, since it is larger than the sum of its proper divisors (284368543).

972839465 is a wasteful number, since it uses less digits than its factorization.

972839465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966779.

The product of its digits is 3265920, while the sum is 53.

The square root of 972839465 is about 31190.3745569046. The cubic root of 972839465 is about 990.8632626080.

The spelling of 972839465 in words is "nine hundred seventy-two million, eight hundred thirty-nine thousand, four hundred sixty-five".