997382588 has 12 divisors (see below), whose sum is σ = 1848091392. Its totient is φ = 469356480.

The previous prime is 997382509. The next prime is 997382593. The reversal of 997382588 is 885283799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7333628 + ... + 7333763.

It is an arithmetic number, because the mean of its divisors is an integer number (154007616).

Almost surely, 2^997382588 is an apocalyptic number.

It is an amenable number.

997382588 is a deficient number, since it is larger than the sum of its proper divisors (850708804).

997382588 is a wasteful number, since it uses less digits than its factorization.

997382588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14667412 (or 14667410 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 59.

The square root of 997382588 is about 31581.3645683653. The cubic root of 997382588 is about 999.1267670195.

The spelling of 997382588 in words is "nine hundred ninety-seven million, three hundred eighty-two thousand, five hundred eighty-eight".