238278396 has 12 divisors (see below), whose sum is σ = 555982952. Its totient is φ = 79426128.

The previous prime is 238278353. The next prime is 238278451. The reversal of 238278396 is 693872832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 9928255 + ... + 9928278.

Almost surely, 2^238278396 is an apocalyptic number.

It is an amenable number.

238278396 is an abundant number, since it is smaller than the sum of its proper divisors (317704556).

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

238278396 is a wasteful number, since it uses less digits than its factorization.

238278396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856540 (or 19856538 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 238278396 is about 15436.2688496929. The cubic root of 238278396 is about 619.9569827941.

It can be divided in two parts, 23827 and 8396, that added together give a palindrome (32223).

The spelling of 238278396 in words is "two hundred thirty-eight million, two hundred seventy-eight thousand, three hundred ninety-six".