238130466 has 16 divisors (see below), whose sum is σ = 544298304. Its totient is φ = 68037264.

The previous prime is 238130429. The next prime is 238130467. The reversal of 238130466 is 664031832.

It is a super-2 number, since 2×238130466² = 113412237674754312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238130467) 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, 2834845 + ... + 2834928.

It is an arithmetic number, because the mean of its divisors is an integer number (34018644).

Almost surely, 2^238130466 is an apocalyptic number.

238130466 is an abundant number, since it is smaller than the sum of its proper divisors (306167838).

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

238130466 is a wasteful number, since it uses less digits than its factorization.

238130466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5669785.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 238130466 is about 15431.4764685690. The cubic root of 238130466 is about 619.8286605972.

The spelling of 238130466 in words is "two hundred thirty-eight million, one hundred thirty thousand, four hundred sixty-six".