972084690 has 24 divisors (see below), whose sum is σ = 2527420428. Its totient is φ = 259222560.

The previous prime is 972084679. The next prime is 972084731. The reversal of 972084690 is 96480279.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 817902801 + 154181889 = 28599^2 + 12417^2 .

It is a super-2 number, since 2×972084690² = 1889897289064792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 11 ways as a sum of consecutive naturals, for example, 5400381 + ... + 5400560.

Almost surely, 2^972084690 is an apocalyptic number.

972084690 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

972084690 is an abundant number, since it is smaller than the sum of its proper divisors (1555335738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972084690 is a wasteful number, since it uses less digits than its factorization.

972084690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800954 (or 10800951 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 972084690 is about 31178.2727231641. The cubic root of 972084690 is about 990.6069434027.

The spelling of 972084690 in words is "nine hundred seventy-two million, eighty-four thousand, six hundred ninety".