465908891 has 16 divisors (see below), whose sum is σ = 536601600. Its totient is φ = 396264960.

The previous prime is 465908879. The next prime is 465908893. The reversal of 465908891 is 198809564.

It is a happy number.

It is not a de Polignac number, because 465908891 - 2¹⁰ = 465907867 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465908893) 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, 851480 + ... + 852026.

It is an arithmetic number, because the mean of its divisors is an integer number (33537600).

Almost surely, 2^465908891 is an apocalyptic number.

465908891 is a deficient number, since it is larger than the sum of its proper divisors (70692709).

465908891 is a wasteful number, since it uses less digits than its factorization.

465908891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 465908891 is about 21584.9227703043. The cubic root of 465908891 is about 775.2355252247.

The spelling of 465908891 in words is "four hundred sixty-five million, nine hundred eight thousand, eight hundred ninety-one".