238866969 has 16 divisors (see below), whose sum is σ = 347719680. Its totient is φ = 144652560.

The previous prime is 238866961. The next prime is 238866973. The reversal of 238866969 is 969668832.

238866969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238866969 - 2³ = 238866961 is a prime.

It is a super-2 number, since 2×238866969² = 114114857758493922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238866961) 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, 58992 + ... + 62910.

It is an arithmetic number, because the mean of its divisors is an integer number (21732480).

Almost surely, 2^238866969 is an apocalyptic number.

It is an amenable number.

238866969 is a deficient number, since it is larger than the sum of its proper divisors (108852711).

238866969 is a wasteful number, since it uses less digits than its factorization.

238866969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780.

The product of its digits is 6718464, while the sum is 57.

The square root of 238866969 is about 15455.3217048368. The cubic root of 238866969 is about 620.4670163235.

The spelling of 238866969 in words is "two hundred thirty-eight million, eight hundred sixty-six thousand, nine hundred sixty-nine".