455890859 has 4 divisors (see below), whose sum is σ = 466493016. Its totient is φ = 445288704.

The previous prime is 455890823. The next prime is 455890879. The reversal of 455890859 is 958098554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455890859 - 2²⁴ = 439113643 is a prime.

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 455890859.

It is not an unprimeable number, because it can be changed into a prime (455890879) 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 3 ways as a sum of consecutive naturals, for example, 5301014 + ... + 5301099.

It is an arithmetic number, because the mean of its divisors is an integer number (116623254).

Almost surely, 2^455890859 is an apocalyptic number.

455890859 is a deficient number, since it is larger than the sum of its proper divisors (10602157).

455890859 is a wasteful number, since it uses less digits than its factorization.

455890859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602156.

The product of its (nonzero) digits is 2592000, while the sum is 53.

The square root of 455890859 is about 21351.6008533318. The cubic root of 455890859 is about 769.6388135687.

The spelling of 455890859 in words is "four hundred fifty-five million, eight hundred ninety thousand, eight hundred fifty-nine".