1598004 has 18 divisors (see below), whose sum is σ = 4039490. Its totient is φ = 532656.

The previous prime is 1597979. The next prime is 1598011. The reversal of 1598004 is 4008951.

It can be written as a sum of positive squares in only one way, i.e., 1587600 + 10404 = 1260^2 + 102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22159 + ... + 22230.

2^1598004 is an apocalyptic number.

It is an amenable number.

1598004 is an abundant number, since it is smaller than the sum of its proper divisors (2441486).

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

1598004 is a wasteful number, since it uses less digits than its factorization.

1598004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44399 (or 44394 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1598004 is about 1264.1218295718. The cubic root of 1598004 is about 116.9120531282.

The spelling of 1598004 in words is "one million, five hundred ninety-eight thousand, four".