1598428209 has 8 divisors (see below), whose sum is σ = 2435700160. Its totient is φ = 913387536.

The previous prime is 1598428199. The next prime is 1598428243. The reversal of 1598428209 is 9028248951.

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

It is not a de Polignac number, because 1598428209 - 2⁹ = 1598427697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1598428259) 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, 38057794 + ... + 38057835.

It is an arithmetic number, because the mean of its divisors is an integer number (304462520).

Almost surely, 2^1598428209 is an apocalyptic number.

It is an amenable number.

1598428209 is a deficient number, since it is larger than the sum of its proper divisors (837271951).

1598428209 is an equidigital number, since it uses as much as digits as its factorization.

1598428209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76115639.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1598428209 is about 39980.3477848805. The cubic root of 1598428209 is about 1169.2239744053.

The spelling of 1598428209 in words is "one billion, five hundred ninety-eight million, four hundred twenty-eight thousand, two hundred nine".