238899812 has 12 divisors (see below), whose sum is σ = 418192236. Its totient is φ = 119416320.

The previous prime is 238899803. The next prime is 238899821. The reversal of 238899812 is 218998832.

238899812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238899803) and next prime (238899821).

It can be written as a sum of positive squares in 2 ways, for example, as 44408896 + 194490916 = 6664^2 + 13946^2 .

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, 14612 + ... + 26292.

It is an arithmetic number, because the mean of its divisors is an integer number (34849353).

Almost surely, 2^238899812 is an apocalyptic number.

It is an amenable number.

238899812 is a deficient number, since it is larger than the sum of its proper divisors (179292424).

238899812 is a wasteful number, since it uses less digits than its factorization.

238899812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16798 (or 16796 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 238899812 is about 15456.3841825959. The cubic root of 238899812 is about 620.4954520457.

The spelling of 238899812 in words is "two hundred thirty-eight million, eight hundred ninety-nine thousand, eight hundred twelve".