456684861 has 8 divisors (see below), whose sum is σ = 617254720. Its totient is φ = 300285792.

The previous prime is 456684847. The next prime is 456684863. The reversal of 456684861 is 168486654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 456684861 - 2¹¹ = 456682813 is a prime.

It is a super-2 number, since 2×456684861² = 417122124533178642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 456684861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456684863) 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 7 ways as a sum of consecutive naturals, for example, 1042441 + ... + 1042878.

It is an arithmetic number, because the mean of its divisors is an integer number (77156840).

Almost surely, 2^456684861 is an apocalyptic number.

It is an amenable number.

456684861 is a deficient number, since it is larger than the sum of its proper divisors (160569859).

456684861 is a wasteful number, since it uses less digits than its factorization.

456684861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085395.

The product of its digits is 1105920, while the sum is 48.

The square root of 456684861 is about 21370.1862649814. The cubic root of 456684861 is about 770.0853680580.

The spelling of 456684861 in words is "four hundred fifty-six million, six hundred eighty-four thousand, eight hundred sixty-one".