239998998 has 16 divisors (see below), whose sum is σ = 486074880. Its totient is φ = 78986856.

The previous prime is 239998987. The next prime is 239999021. The reversal of 239998998 is 899899932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252690 + ... + 253637.

It is an arithmetic number, because the mean of its divisors is an integer number (30379680).

Almost surely, 2^239998998 is an apocalyptic number.

239998998 is an abundant number, since it is smaller than the sum of its proper divisors (246075882).

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

239998998 is a wasteful number, since it uses less digits than its factorization.

239998998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506411.

The product of its digits is 22674816, while the sum is 66.

The square root of 239998998 is about 15491.9010453850. The cubic root of 239998998 is about 621.4456363432.

The spelling of 239998998 in words is "two hundred thirty-nine million, nine hundred ninety-eight thousand, nine hundred ninety-eight".