238366998 has 24 divisors (see below), whose sum is σ = 533123136. Its totient is φ = 76892400.

The previous prime is 238366991. The next prime is 238367011. The reversal of 238366998 is 899663832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238366991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213033 + ... + 214148.

It is an arithmetic number, because the mean of its divisors is an integer number (22213464).

Almost surely, 2^238366998 is an apocalyptic number.

238366998 is an abundant number, since it is smaller than the sum of its proper divisors (294756138).

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

238366998 is a wasteful number, since it uses less digits than its factorization.

238366998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427220 (or 427217 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 238366998 is about 15439.1385122357. The cubic root of 238366998 is about 620.0338153599.

It can be divided in two parts, 238 and 366998, that added together give a square (367236 = 606²).

The spelling of 238366998 in words is "two hundred thirty-eight million, three hundred sixty-six thousand, nine hundred ninety-eight".