238810855 has 16 divisors (see below), whose sum is σ = 295007328. Its totient is φ = 185472000.

The previous prime is 238810801. The next prime is 238810861. The reversal of 238810855 is 558018832.

It is not a de Polignac number, because 238810855 - 2⁷ = 238810727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40495 + ... + 46015.

It is an arithmetic number, because the mean of its divisors is an integer number (18437958).

Almost surely, 2^238810855 is an apocalyptic number.

238810855 is a deficient number, since it is larger than the sum of its proper divisors (56196473).

238810855 is a wasteful number, since it uses less digits than its factorization.

238810855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778.

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 238810855 is about 15453.5062364500. The cubic root of 238810855 is about 620.4184263586.

The spelling of 238810855 in words is "two hundred thirty-eight million, eight hundred ten thousand, eight hundred fifty-five".