238821694 has 4 divisors (see below), whose sum is σ = 358232544. Its totient is φ = 119410846.

The previous prime is 238821689. The next prime is 238821749. The reversal of 238821694 is 496128832.

238821694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 238821694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59705422 + ... + 59705425.

It is an arithmetic number, because the mean of its divisors is an integer number (89558136).

Almost surely, 2^238821694 is an apocalyptic number.

238821694 is a deficient number, since it is larger than the sum of its proper divisors (119410850).

238821694 is a wasteful number, since it uses less digits than its factorization.

238821694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119410849.

The product of its digits is 165888, while the sum is 43.

The square root of 238821694 is about 15453.8569295823. The cubic root of 238821694 is about 620.4278126064.

The spelling of 238821694 in words is "two hundred thirty-eight million, eight hundred twenty-one thousand, six hundred ninety-four".