238700816 has 10 divisors (see below), whose sum is σ = 462482862. Its totient is φ = 119350400.

The previous prime is 238700797. The next prime is 238700821. The reversal of 238700816 is 618007832.

It can be written as a sum of positive squares in only one way, i.e., 221890816 + 16810000 = 14896^2 + 4100^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459385 + ... + 7459416.

Almost surely, 2^238700816 is an apocalyptic number.

It is an amenable number.

238700816 is a deficient number, since it is larger than the sum of its proper divisors (223782046).

238700816 is a wasteful number, since it uses less digits than its factorization.

238700816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918809 (or 14918803 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 238700816 is about 15449.9455015220. The cubic root of 238700816 is about 620.3231198147.

The spelling of 238700816 in words is "two hundred thirty-eight million, seven hundred thousand, eight hundred sixteen".