1598042 has 4 divisors (see below), whose sum is σ = 2397066. Its totient is φ = 799020.

The previous prime is 1598039. The next prime is 1598053. The reversal of 1598042 is 2408951.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 7921 = 1261^2 + 89^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1597996 and 1598014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399509 + ... + 399512.

2^1598042 is an apocalyptic number.

1598042 is a deficient number, since it is larger than the sum of its proper divisors (799024).

1598042 is an equidigital number, since it uses as much as digits as its factorization.

1598042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799023.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1598042 is about 1264.1368596794. The cubic root of 1598042 is about 116.9129798307.

The spelling of 1598042 in words is "one million, five hundred ninety-eight thousand, forty-two".