238502481 has 16 divisors (see below), whose sum is σ = 373256064. Its totient is φ = 132603264.

The previous prime is 238502477. The next prime is 238502483. The reversal of 238502481 is 184205832.

It is not a de Polignac number, because 238502481 - 2² = 238502477 is a prime.

It is a super-2 number, since 2×238502481² = 113766866886310722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238502483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152700 + ... + 154253.

It is an arithmetic number, because the mean of its divisors is an integer number (23328504).

Almost surely, 2^238502481 is an apocalyptic number.

238502481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

238502481 is a deficient number, since it is larger than the sum of its proper divisors (134753583).

238502481 is a wasteful number, since it uses less digits than its factorization.

238502481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307000.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 238502481 is about 15443.5255366124. The cubic root of 238502481 is about 620.1512646877.

The spelling of 238502481 in words is "two hundred thirty-eight million, five hundred two thousand, four hundred eighty-one".