485946864 has 100 divisors (see below), whose sum is σ = 1514713816. Its totient is φ = 149516928.

The previous prime is 485946859. The next prime is 485946947. The reversal of 485946864 is 468649584.

485946864 is a `hidden beast` number, since 48 + 594 + 6 + 8 + 6 + 4 = 666.

It is a super-2 number, since 2×485946864² = 472288709262868992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 485946864.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 2427 + ... + 31269.

Almost surely, 2^485946864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485946864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757356908).

485946864 is an abundant number, since it is smaller than the sum of its proper divisors (1028766952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485946864 is a wasteful number, since it uses less digits than its factorization.

485946864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28876 (or 28861 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The square root of 485946864 is about 22044.2025031526. The cubic root of 485946864 is about 786.1937637791.

The spelling of 485946864 in words is "four hundred eighty-five million, nine hundred forty-six thousand, eight hundred sixty-four".