486085891 has 4 divisors (see below), whose sum is σ = 496428192. Its totient is φ = 475743592.

The previous prime is 486085819. The next prime is 486085927. The reversal of 486085891 is 198580684.

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 486085891 - 2¹⁹ = 485561603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486085801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5171080 + ... + 5171173.

It is an arithmetic number, because the mean of its divisors is an integer number (124107048).

Almost surely, 2^486085891 is an apocalyptic number.

486085891 is a deficient number, since it is larger than the sum of its proper divisors (10342301).

486085891 is a wasteful number, since it uses less digits than its factorization.

486085891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10342300.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 486085891 is about 22047.3556464262. The cubic root of 486085891 is about 786.2687320157.

The spelling of 486085891 in words is "four hundred eighty-six million, eighty-five thousand, eight hundred ninety-one".