238904885 has 8 divisors (see below), whose sum is σ = 286864800. Its totient is φ = 191004624.

The previous prime is 238904863. The next prime is 238904899. The reversal of 238904885 is 588409832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238904885 - 2¹⁸ = 238642741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5567 + ... + 22556.

It is an arithmetic number, because the mean of its divisors is an integer number (35858100).

Almost surely, 2^238904885 is an apocalyptic number.

It is an amenable number.

238904885 is a deficient number, since it is larger than the sum of its proper divisors (47959915).

238904885 is a wasteful number, since it uses less digits than its factorization.

238904885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29827.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 238904885 is about 15456.5482886704. The cubic root of 238904885 is about 620.4998440558.

The spelling of 238904885 in words is "two hundred thirty-eight million, nine hundred four thousand, eight hundred eighty-five".