461661852 has 24 divisors (see below), whose sum is σ = 1077599376. Its totient is φ = 153831808.

The previous prime is 461661841. The next prime is 461661899. The reversal of 461661852 is 258166164.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 461661852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40978 + ... + 51014.

It is an arithmetic number, because the mean of its divisors is an integer number (44899974).

Almost surely, 2^461661852 is an apocalyptic number.

It is an amenable number.

461661852 is an abundant number, since it is smaller than the sum of its proper divisors (615937524).

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

461661852 is a wasteful number, since it uses less digits than its factorization.

461661852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13877 (or 13875 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 461661852 is about 21486.3177859772. The cubic root of 461661852 is about 772.8727523143.

The spelling of 461661852 in words is "four hundred sixty-one million, six hundred sixty-one thousand, eight hundred fifty-two".