238242190 has 16 divisors (see below), whose sum is σ = 429665328. Its totient is φ = 95112576.

The previous prime is 238242181. The next prime is 238242217. The reversal of 238242190 is 91242832.

238242190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×238242190³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 17547 + ... + 28006.

It is an arithmetic number, because the mean of its divisors is an integer number (26854083).

Almost surely, 2^238242190 is an apocalyptic number.

238242190 is a deficient number, since it is larger than the sum of its proper divisors (191423138).

238242190 is a wasteful number, since it uses less digits than its factorization.

238242190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46083.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 238242190 is about 15435.0960476441. The cubic root of 238242190 is about 619.9255807313.

The spelling of 238242190 in words is "two hundred thirty-eight million, two hundred forty-two thousand, one hundred ninety".