1597538802 has 16 divisors (see below), whose sum is σ = 3195605952. Its totient is φ = 532424880.

The previous prime is 1597538749. The next prime is 1597538819. The reversal of 1597538802 is 2088357951.

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, 25027 + ... + 61817.

It is an arithmetic number, because the mean of its divisors is an integer number (199725372).

Almost surely, 2^1597538802 is an apocalyptic number.

1597538802 is an abundant number, since it is smaller than the sum of its proper divisors (1598067150).

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

1597538802 is a wasteful number, since it uses less digits than its factorization.

1597538802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44033.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 1597538802 is about 39969.2231848456. The cubic root of 1597538802 is about 1169.0070719674.

The spelling of 1597538802 in words is "one billion, five hundred ninety-seven million, five hundred thirty-eight thousand, eight hundred two".