238978150 has 12 divisors (see below), whose sum is σ = 444499452. Its totient is φ = 95591240.

The previous prime is 238978141. The next prime is 238978151. The reversal of 238978150 is 51879832.

238978150 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-2 number, since 2×238978150² = 114221112354845000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238978097 and 238978106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238978151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2389732 + ... + 2389831.

It is an arithmetic number, because the mean of its divisors is an integer number (37041621).

Almost surely, 2^238978150 is an apocalyptic number.

238978150 is a deficient number, since it is larger than the sum of its proper divisors (205521302).

238978150 is a wasteful number, since it uses less digits than its factorization.

238978150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779575 (or 4779570 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 238978150 is about 15458.9181380846. The cubic root of 238978150 is about 620.5632671690.

The spelling of 238978150 in words is "two hundred thirty-eight million, nine hundred seventy-eight thousand, one hundred fifty".