461872686 has 32 divisors (see below), whose sum is σ = 1010060928. Its totient is φ = 139636640.

The previous prime is 461872681. The next prime is 461872717. The reversal of 461872686 is 686278164.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461872681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21340 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (31564404).

Almost surely, 2^461872686 is an apocalyptic number.

461872686 is an abundant number, since it is smaller than the sum of its proper divisors (548188242).

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

461872686 is a wasteful number, since it uses less digits than its factorization.

461872686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256.

The product of its digits is 774144, while the sum is 48.

The square root of 461872686 is about 21491.2234644750. The cubic root of 461872686 is about 772.9903875158.

The spelling of 461872686 in words is "four hundred sixty-one million, eight hundred seventy-two thousand, six hundred eighty-six".