1598403648 has 112 divisors (see below), whose sum is σ = 4622621184. Its totient is φ = 485253120.

The previous prime is 1598403619. The next prime is 1598403659. The reversal of 1598403648 is 8463048951.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1598403597 and 1598403606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93286 + ... + 109082.

Almost surely, 2^1598403648 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 1598403648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2311310592).

1598403648 is an abundant number, since it is smaller than the sum of its proper divisors (3024217536).

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

1598403648 is a wasteful number, since it uses less digits than its factorization.

1598403648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860 (or 15850 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1598403648 is about 39980.0406202895. The cubic root of 1598403648 is about 1169.2179857186.

The spelling of 1598403648 in words is "one billion, five hundred ninety-eight million, four hundred three thousand, six hundred forty-eight".