238957916 has 36 divisors (see below), whose sum is σ = 446183976. Its totient is φ = 111955200.

The previous prime is 238957909. The next prime is 238957919. The reversal of 238957916 is 619759832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238957919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486431 + ... + 486921.

Almost surely, 2^238957916 is an apocalyptic number.

It is an amenable number.

238957916 is a deficient number, since it is larger than the sum of its proper divisors (207226060).

238957916 is a wasteful number, since it uses less digits than its factorization.

238957916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 931 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 238957916 is about 15458.2636799868. The cubic root of 238957916 is about 620.5457525530.

The spelling of 238957916 in words is "two hundred thirty-eight million, nine hundred fifty-seven thousand, nine hundred sixteen".