238998394 has 4 divisors (see below), whose sum is σ = 358497594. Its totient is φ = 119499196.

The previous prime is 238998391. The next prime is 238998413. The reversal of 238998394 is 493899832.

It is a happy number.

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., 195636169 + 43362225 = 13987^2 + 6585^2 .

It is not an unprimeable number, because it can be changed into a prime (238998391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59749597 + ... + 59749600.

Almost surely, 2^238998394 is an apocalyptic number.

238998394 is a deficient number, since it is larger than the sum of its proper divisors (119499200).

238998394 is a wasteful number, since it uses less digits than its factorization.

238998394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119499199.

The product of its digits is 3359232, while the sum is 55.

The square root of 238998394 is about 15459.5728919010. The cubic root of 238998394 is about 620.5807894516.

The spelling of 238998394 in words is "two hundred thirty-eight million, nine hundred ninety-eight thousand, three hundred ninety-four".