997382589 has 8 divisors (see below), whose sum is σ = 1519821120. Its totient is φ = 569932896.

The previous prime is 997382509. The next prime is 997382593. The reversal of 997382589 is 985283799.

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

It is not a de Polignac number, because 997382589 - 2²¹ = 995285437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997382509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23747184 + ... + 23747225.

It is an arithmetic number, because the mean of its divisors is an integer number (189977640).

Almost surely, 2^997382589 is an apocalyptic number.

It is an amenable number.

997382589 is a deficient number, since it is larger than the sum of its proper divisors (522438531).

997382589 is a wasteful number, since it uses less digits than its factorization.

997382589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47494419.

The product of its digits is 9797760, while the sum is 60.

The square root of 997382589 is about 31581.3645841974. The cubic root of 997382589 is about 999.1267673534.

The spelling of 997382589 in words is "nine hundred ninety-seven million, three hundred eighty-two thousand, five hundred eighty-nine".