466818381 has 12 divisors (see below), whose sum is σ = 692517852. Its totient is φ = 302800896.

The previous prime is 466818377. The next prime is 466818383. The reversal of 466818381 is 183818664.

It is a happy number.

466818381 is a `hidden beast` number, since 466 + 8 + 183 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 454073481 + 12744900 = 21309^2 + 3570^2 .

It is not a de Polignac number, because 466818381 - 2² = 466818377 is a prime.

It is a super-2 number, since 2×466818381² = 435838801678922322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466818383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700596 + ... + 701261.

It is an arithmetic number, because the mean of its divisors is an integer number (57709821).

Almost surely, 2^466818381 is an apocalyptic number.

It is an amenable number.

466818381 is a deficient number, since it is larger than the sum of its proper divisors (225699471).

466818381 is a wasteful number, since it uses less digits than its factorization.

466818381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401900 (or 1401897 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 466818381 is about 21605.9802138204. The cubic root of 466818381 is about 775.7396371411.

The spelling of 466818381 in words is "four hundred sixty-six million, eight hundred eighteen thousand, three hundred eighty-one".