238872015 has 24 divisors (see below), whose sum is σ = 438401808. Its totient is φ = 119904000.

The previous prime is 238872013. The next prime is 238872017. The reversal of 238872015 is 510278832.

It is an interprime number because it is at equal distance from previous prime (238872013) and next prime (238872017).

It is not a de Polignac number, because 238872015 - 2¹ = 238872013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238872013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155361 + ... + 156890.

It is an arithmetic number, because the mean of its divisors is an integer number (18266742).

Almost surely, 2^238872015 is an apocalyptic number.

238872015 is a deficient number, since it is larger than the sum of its proper divisors (199529793).

238872015 is a wasteful number, since it uses less digits than its factorization.

238872015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312279 (or 312276 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 238872015 is about 15455.4849487164. The cubic root of 238872015 is about 620.4713853586.

The spelling of 238872015 in words is "two hundred thirty-eight million, eight hundred seventy-two thousand, fifteen".