238015738 has 4 divisors (see below), whose sum is σ = 357023610. Its totient is φ = 119007868.

The previous prime is 238015727. The next prime is 238015747. The reversal of 238015738 is 837510832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 237992329 + 23409 = 15427^2 + 153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 238015697 and 238015706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59503933 + ... + 59503936.

Almost surely, 2^238015738 is an apocalyptic number.

238015738 is a deficient number, since it is larger than the sum of its proper divisors (119007872).

238015738 is a wasteful number, since it uses less digits than its factorization.

238015738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119007871.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 238015738 is about 15427.7586836196. The cubic root of 238015738 is about 619.7291029513.

The spelling of 238015738 in words is "two hundred thirty-eight million, fifteen thousand, seven hundred thirty-eight".