383130666 has 48 divisors (see below), whose sum is σ = 880518600. Its totient is φ = 119983104.

The previous prime is 383130661. The next prime is 383130689. The reversal of 383130666 is 666031383.

It can be written as a sum of positive squares in 4 ways, for example, as 178783641 + 204347025 = 13371^2 + 14295^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 383130666.

It is not an unprimeable number, because it can be changed into a prime (383130661) 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, 338790 + ... + 339918.

Almost surely, 2^383130666 is an apocalyptic number.

383130666 is an abundant number, since it is smaller than the sum of its proper divisors (497387934).

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

383130666 is a wasteful number, since it uses less digits than its factorization.

383130666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 383130666 is about 19573.7238664491. The cubic root of 383130666 is about 726.2993210590.

The spelling of 383130666 in words is "three hundred eighty-three million, one hundred thirty thousand, six hundred sixty-six".