997589606 has 16 divisors (see below), whose sum is σ = 1616149584. Its totient is φ = 459094944.

The previous prime is 997589591. The next prime is 997589611. The reversal of 997589606 is 606985799.

997589606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46265 + ... + 64308.

It is an arithmetic number, because the mean of its divisors is an integer number (101009349).

Almost surely, 2^997589606 is an apocalyptic number.

997589606 is a deficient number, since it is larger than the sum of its proper divisors (618559978).

997589606 is a wasteful number, since it uses less digits than its factorization.

997589606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110935.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The square root of 997589606 is about 31584.6419324329. The cubic root of 997589606 is about 999.1958889120.

The spelling of 997589606 in words is "nine hundred ninety-seven million, five hundred eighty-nine thousand, six hundred six".