456840893 has 8 divisors (see below), whose sum is σ = 481612800. Its totient is φ = 432696240.

The previous prime is 456840889. The next prime is 456840899. The reversal of 456840893 is 398048654.

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

It is a cyclic number.

It is not a de Polignac number, because 456840893 - 2² = 456840889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456840899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155318 + ... + 158231.

It is an arithmetic number, because the mean of its divisors is an integer number (60201600).

Almost surely, 2^456840893 is an apocalyptic number.

It is an amenable number.

456840893 is a deficient number, since it is larger than the sum of its proper divisors (24771907).

456840893 is a wasteful number, since it uses less digits than its factorization.

456840893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313627.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 456840893 is about 21373.8366467043. The cubic root of 456840893 is about 770.1730611177.

The spelling of 456840893 in words is "four hundred fifty-six million, eight hundred forty thousand, eight hundred ninety-three".