1597042608 has 80 divisors (see below), whose sum is σ = 4779741696. Its totient is φ = 450040320.

The previous prime is 1597042607. The next prime is 1597042609. The reversal of 1597042608 is 8062407951.

It is an interprime number because it is at equal distance from previous prime (1597042607) and next prime (1597042609).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1597042608.

It is not an unprimeable number, because it can be changed into a prime (1597042607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8028 + ... + 57083.

Almost surely, 2^1597042608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1597042608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389870848).

1597042608 is an abundant number, since it is smaller than the sum of its proper divisors (3182699088).

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

1597042608 is a wasteful number, since it uses less digits than its factorization.

1597042608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65202 (or 65196 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1597042608 is about 39963.0155018362. The cubic root of 1597042608 is about 1168.8860286143.

The spelling of 1597042608 in words is "one billion, five hundred ninety-seven million, forty-two thousand, six hundred eight".