238102860 has 24 divisors (see below), whose sum is σ = 666688176. Its totient is φ = 63494080.

The previous prime is 238102853. The next prime is 238102861. The reversal of 238102860 is 68201832.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (238102861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984131 + ... + 1984250.

It is an arithmetic number, because the mean of its divisors is an integer number (27778674).

Almost surely, 2^238102860 is an apocalyptic number.

238102860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238102860 is an abundant number, since it is smaller than the sum of its proper divisors (428585316).

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

238102860 is a wasteful number, since it uses less digits than its factorization.

238102860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968393 (or 3968391 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 238102860 is about 15430.5819721746. The cubic root of 238102860 is about 619.8047078294.

The spelling of 238102860 in words is "two hundred thirty-eight million, one hundred two thousand, eight hundred sixty".