238973982 has 64 divisors (see below), whose sum is σ = 546981120. Its totient is φ = 68995584.

The previous prime is 238973971. The next prime is 238973993. The reversal of 238973982 is 289379832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238973971) and next prime (238973993).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166753 + ... + 168179.

It is an arithmetic number, because the mean of its divisors is an integer number (8546580).

Almost surely, 2^238973982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238973982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273490560).

238973982 is an abundant number, since it is smaller than the sum of its proper divisors (308007138).

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

238973982 is a wasteful number, since it uses less digits than its factorization.

238973982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its digits is 1306368, while the sum is 51.

The square root of 238973982 is about 15458.7833285806. The cubic root of 238973982 is about 620.5596594155.

The spelling of 238973982 in words is "two hundred thirty-eight million, nine hundred seventy-three thousand, nine hundred eighty-two".