238665276 has 18 divisors (see below), whose sum is σ = 603292872. Its totient is φ = 79555080.

The previous prime is 238665263. The next prime is 238665283. The reversal of 238665276 is 672566832.

It is a happy number.

238665276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×238665276² = 113922227936312352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3314760 + ... + 3314831.

Almost surely, 2^238665276 is an apocalyptic number.

It is an amenable number.

238665276 is an abundant number, since it is smaller than the sum of its proper divisors (364627596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238665276 is a wasteful number, since it uses less digits than its factorization.

238665276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629601 (or 6629596 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 238665276 is about 15448.7952928376. The cubic root of 238665276 is about 620.2923317927.

The spelling of 238665276 in words is "two hundred thirty-eight million, six hundred sixty-five thousand, two hundred seventy-six".