238990798 has 16 divisors (see below), whose sum is σ = 371875680. Its totient is φ = 115055136.

The previous prime is 238990789. The next prime is 238990799. The reversal of 238990798 is 897099832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238990799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16111 + ... + 27157.

It is an arithmetic number, because the mean of its divisors is an integer number (23242230).

Almost surely, 2^238990798 is an apocalyptic number.

238990798 is a deficient number, since it is larger than the sum of its proper divisors (132884882).

238990798 is a wasteful number, since it uses less digits than its factorization.

238990798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 238990798 is about 15459.3272169264. The cubic root of 238990798 is about 620.5742148166.

The spelling of 238990798 in words is "two hundred thirty-eight million, nine hundred ninety thousand, seven hundred ninety-eight".