238735404 has 96 divisors (see below), whose sum is σ = 635523840. Its totient is φ = 77480064.

The previous prime is 238735391. The next prime is 238735411. The reversal of 238735404 is 404537832.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843447 + ... + 843729.

It is an arithmetic number, because the mean of its divisors is an integer number (6620040).

Almost surely, 2^238735404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238735404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317761920).

238735404 is an abundant number, since it is smaller than the sum of its proper divisors (396788436).

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

238735404 is a wasteful number, since it uses less digits than its factorization.

238735404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 238735404 is about 15451.0648176752. The cubic root of 238735404 is about 620.3530801924.

The spelling of 238735404 in words is "two hundred thirty-eight million, seven hundred thirty-five thousand, four hundred four".