238748984 has 32 divisors (see below), whose sum is σ = 472510800. Its totient is φ = 112780800.

The previous prime is 238748971. The next prime is 238748989. The reversal of 238748984 is 489847832.

It is a happy number.

It is a super-2 number, since 2×238748984² = 114002154722064512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238748989) 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 7 ways as a sum of consecutive naturals, for example, 58994 + ... + 62910.

Almost surely, 2^238748984 is an apocalyptic number.

It is an amenable number.

238748984 is a deficient number, since it is larger than the sum of its proper divisors (233761816).

238748984 is a wasteful number, since it uses less digits than its factorization.

238748984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343 (or 4339 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 53.

The square root of 238748984 is about 15451.5042633395. The cubic root of 238748984 is about 620.3648424963.

The spelling of 238748984 in words is "two hundred thirty-eight million, seven hundred forty-eight thousand, nine hundred eighty-four".