238655598 has 16 divisors (see below), whose sum is σ = 479001216. Its totient is φ = 79270200.

The previous prime is 238655591. The next prime is 238655611. The reversal of 238655598 is 895556832.

It is a self number, because there is not a number n which added to its sum of digits gives 238655598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238655591) 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, 68578 + ... + 71973.

It is an arithmetic number, because the mean of its divisors is an integer number (29937576).

Almost surely, 2^238655598 is an apocalyptic number.

238655598 is an abundant number, since it is smaller than the sum of its proper divisors (240345618).

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

238655598 is a wasteful number, since it uses less digits than its factorization.

238655598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140839.

The product of its digits is 2592000, while the sum is 51.

The square root of 238655598 is about 15448.4820613548. The cubic root of 238655598 is about 620.2839472881.

The spelling of 238655598 in words is "two hundred thirty-eight million, six hundred fifty-five thousand, five hundred ninety-eight".