1597468844 has 12 divisors (see below), whose sum is σ = 2800337064. Its totient is φ = 797372544.

The previous prime is 1597468811. The next prime is 1597468861. The reversal of 1597468844 is 4488647951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1597468844.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337829 + ... + 342524.

It is an arithmetic number, because the mean of its divisors is an integer number (233361422).

Almost surely, 2^1597468844 is an apocalyptic number.

It is an amenable number.

1597468844 is a deficient number, since it is larger than the sum of its proper divisors (1202868220).

1597468844 is a wasteful number, since it uses less digits than its factorization.

1597468844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680944 (or 680942 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 1597468844 is about 39968.3480269075. The cubic root of 1597468844 is about 1168.9900076786.

The spelling of 1597468844 in words is "one billion, five hundred ninety-seven million, four hundred sixty-eight thousand, eight hundred forty-four".