456844861 has 16 divisors (see below), whose sum is σ = 519487488. Its totient is φ = 397983600.

The previous prime is 456844853. The next prime is 456844889. The reversal of 456844861 is 168448654.

It is a cyclic number.

It is not a de Polignac number, because 456844861 - 2³ = 456844853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456844811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28620 + ... + 41626.

It is an arithmetic number, because the mean of its divisors is an integer number (32467968).

Almost surely, 2^456844861 is an apocalyptic number.

It is an amenable number.

456844861 is a deficient number, since it is larger than the sum of its proper divisors (62642627).

456844861 is a wasteful number, since it uses less digits than its factorization.

456844861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152.

The product of its digits is 737280, while the sum is 46.

The square root of 456844861 is about 21373.9294702682. The cubic root of 456844861 is about 770.1752909515.

It can be divided in two parts, 4 and 56844861, that added together give a palindrome (56844865).

The spelling of 456844861 in words is "four hundred fifty-six million, eight hundred forty-four thousand, eight hundred sixty-one".