1598809408 has 56 divisors (see below), whose sum is σ = 3659867712. Its totient is φ = 678779904.

The previous prime is 1598809393. The next prime is 1598809417. The reversal of 1598809408 is 8049088951.

It is a tau number, because it is divible by the number of its divisors (56).

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, 31260 + ... + 64612.

Almost surely, 2^1598809408 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 1598809408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829933856).

1598809408 is an abundant number, since it is smaller than the sum of its proper divisors (2061058304).

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

1598809408 is a wasteful number, since it uses less digits than its factorization.

1598809408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33479 (or 33469 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 1598809408 is about 39985.1148303966. The cubic root of 1598809408 is about 1169.3169139527.

The spelling of 1598809408 in words is "one billion, five hundred ninety-eight million, eight hundred nine thousand, four hundred eight".