238832081 has 4 divisors (see below), whose sum is σ = 247067700. Its totient is φ = 230596464.

The previous prime is 238832053. The next prime is 238832101. The reversal of 238832081 is 180238832.

It is a happy number.

238832081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167935681 + 70896400 = 12959^2 + 8420^2 .

It is a cyclic number.

It is not a de Polignac number, because 238832081 - 2⁶ = 238832017 is a prime.

It is a super-2 number, since 2×238832081² = 114081525829581122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238832281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4117766 + ... + 4117823.

It is an arithmetic number, because the mean of its divisors is an integer number (61766925).

Almost surely, 2^238832081 is an apocalyptic number.

It is an amenable number.

238832081 is a deficient number, since it is larger than the sum of its proper divisors (8235619).

238832081 is an equidigital number, since it uses as much as digits as its factorization.

238832081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235618.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 238832081 is about 15454.1929909006. The cubic root of 238832081 is about 620.4368071694.

The spelling of 238832081 in words is "two hundred thirty-eight million, eight hundred thirty-two thousand, eighty-one".