4581864 has 48 divisors (see below), whose sum is σ = 14183520. Its totient is φ = 1308960.

The previous prime is 4581859. The next prime is 4581911. The reversal of 4581864 is 4681854.

4581864 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

4581864 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4042 + ... + 5049.

It is an arithmetic number, because the mean of its divisors is an integer number (295490).

Almost surely, 2^4581864 is an apocalyptic number.

It is an amenable number.

4581864 is an abundant number, since it is smaller than the sum of its proper divisors (9601656).

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

4581864 is a wasteful number, since it uses less digits than its factorization.

4581864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9103 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4581864 is about 2140.5289066023. The cubic root of 4581864 is about 166.0914964699.

It can be divided in two parts, 4581 and 864, that added together give a palindrome (5445).

The spelling of 4581864 in words is "four million, five hundred eighty-one thousand, eight hundred sixty-four".