238343256 has 64 divisors (see below), whose sum is σ = 663890400. Its totient is φ = 79228800.

The previous prime is 238343243. The next prime is 238343263. The reversal of 238343256 is 652343832.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 238343256.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 89626 + ... + 92246.

Almost surely, 2^238343256 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 238343256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331945200).

238343256 is an abundant number, since it is smaller than the sum of its proper divisors (425547144).

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

238343256 is a wasteful number, since it uses less digits than its factorization.

238343256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3047 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 238343256 is about 15438.3696030378. The cubic root of 238343256 is about 620.0132289928.

The spelling of 238343256 in words is "two hundred thirty-eight million, three hundred forty-three thousand, two hundred fifty-six".