1598128 has 40 divisors (see below), whose sum is σ = 3729920. Its totient is φ = 648000.

The previous prime is 1598111. The next prime is 1598131. The reversal of 1598128 is 8218951.

It is a junction number, because it is equal to n+sod(n) for n = 1598093 and 1598102.

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, 1753 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (93248).

2^1598128 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 1598128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864960).

1598128 is an abundant number, since it is smaller than the sum of its proper divisors (2131792).

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

1598128 is a wasteful number, since it uses less digits than its factorization.

1598128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 779 counting only the distinct ones).

The product of its digits is 5760, while the sum is 34.

The square root of 1598128 is about 1264.1708745261. The cubic root of 1598128 is about 116.9150770505.

The spelling of 1598128 in words is "one million, five hundred ninety-eight thousand, one hundred twenty-eight".