238905867 has 16 divisors (see below), whose sum is σ = 335813120. Its totient is φ = 150660000.

The previous prime is 238905827. The next prime is 238905869. The reversal of 238905867 is 768509832.

It is not a de Polignac number, because 238905867 - 2⁷ = 238905739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238905869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40017 + ... + 45597.

It is an arithmetic number, because the mean of its divisors is an integer number (20988320).

Almost surely, 2^238905867 is an apocalyptic number.

238905867 is a deficient number, since it is larger than the sum of its proper divisors (96907253).

238905867 is a wasteful number, since it uses less digits than its factorization.

238905867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 238905867 is about 15456.5800551092. The cubic root of 238905867 is about 620.5006942268.

The spelling of 238905867 in words is "two hundred thirty-eight million, nine hundred five thousand, eight hundred sixty-seven".