1598881 has 8 divisors (see below), whose sum is σ = 1665920. Its totient is φ = 1533168.

The previous prime is 1598873. The next prime is 1598897. The reversal of 1598881 is 1888951.

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

It is a cyclic number.

It is not a de Polignac number, because 1598881 - 2³ = 1598873 is a prime.

It is a super-2 number, since 2×1598881² = 5112840904322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1598801) 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, 2650 + ... + 3196.

It is an arithmetic number, because the mean of its divisors is an integer number (208240).

2^1598881 is an apocalyptic number.

It is an amenable number.

1598881 is a deficient number, since it is larger than the sum of its proper divisors (67039).

1598881 is an equidigital number, since it uses as much as digits as its factorization.

1598881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 23040, while the sum is 40.

The square root of 1598881 is about 1264.4686631151. The cubic root of 1598881 is about 116.9334367041.

The spelling of 1598881 in words is "one million, five hundred ninety-eight thousand, eight hundred eighty-one".