4563864 has 40 divisors (see below), whose sum is σ = 12784860. Its totient is φ = 1521072.

The previous prime is 4563863. The next prime is 4563869. The reversal of 4563864 is 4683654.

It is a super-2 number, since 2×4563864² = 41657709220992, which contains 22 as substring.

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

It is a d-powerful number, because it can be written as 4⁵ + 5⁷ + 6⁵ + 3⁷ + 8³ + 6⁷ + 4¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4563863) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2874 + ... + 4169.

Almost surely, 2^4563864 is an apocalyptic number.

It is an amenable number.

4563864 is an abundant number, since it is smaller than the sum of its proper divisors (8220996).

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

4563864 is a wasteful number, since it uses less digits than its factorization.

4563864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061 (or 7048 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4563864 is about 2136.3202007190. The cubic root of 4563864 is about 165.8737124357.

The spelling of 4563864 in words is "four million, five hundred sixty-three thousand, eight hundred sixty-four".