238839798 has 8 divisors (see below), whose sum is σ = 477679608. Its totient is φ = 79613264.

The previous prime is 238839787. The next prime is 238839859. The reversal of 238839798 is 897938832.

It is a sphenic number, since it is the product of 3 distinct primes.

238839798 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19903311 + ... + 19903322.

It is an arithmetic number, because the mean of its divisors is an integer number (59709951).

Almost surely, 2^238839798 is an apocalyptic number.

238839798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238839798 is a wasteful number, since it uses less digits than its factorization.

238839798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39806638.

The product of its digits is 5225472, while the sum is 57.

The square root of 238839798 is about 15454.4426622250. The cubic root of 238839798 is about 620.4434894923.

The spelling of 238839798 in words is "two hundred thirty-eight million, eight hundred thirty-nine thousand, seven hundred ninety-eight".