238787241 has 24 divisors (see below), whose sum is σ = 404036064. Its totient is φ = 124044480.

The previous prime is 238787201. The next prime is 238787249. The reversal of 238787241 is 142787832.

It is not a de Polignac number, because 238787241 - 2⁷ = 238787113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238787193 and 238787202.

It is not an unprimeable number, because it can be changed into a prime (238787249) 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, 72220 + ... + 75453.

It is an arithmetic number, because the mean of its divisors is an integer number (16834836).

Almost surely, 2^238787241 is an apocalyptic number.

238787241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

238787241 is a deficient number, since it is larger than the sum of its proper divisors (165248823).

238787241 is a wasteful number, since it uses less digits than its factorization.

238787241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147701 (or 147694 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 238787241 is about 15452.7421838326. The cubic root of 238787241 is about 620.3979763619.

The spelling of 238787241 in words is "two hundred thirty-eight million, seven hundred eighty-seven thousand, two hundred forty-one".