1598001 has 8 divisors (see below), whose sum is σ = 2143680. Its totient is φ = 1058832.

The previous prime is 1597979. The next prime is 1598011. The reversal of 1598001 is 1008951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1598001 - 2⁵ = 1597969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (267960).

2^1598001 is an apocalyptic number.

1598001 is the 800-th centered pentagonal number.

It is an amenable number.

1598001 is a deficient number, since it is larger than the sum of its proper divisors (545679).

1598001 is a wasteful number, since it uses less digits than its factorization.

1598001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1598001 is about 1264.1206429768. The cubic root of 1598001 is about 116.9119799669.

The spelling of 1598001 in words is "one million, five hundred ninety-eight thousand, one".