4472865 has 12 divisors (see below), whose sum is σ = 7753044. Its totient is φ = 2385504.

The previous prime is 4472857. The next prime is 4472869. The reversal of 4472865 is 5682744.

It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 2634129 = 1356^2 + 1623^2 .

It is not a de Polignac number, because 4472865 - 2³ = 4472857 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4472869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49654 + ... + 49743.

It is an arithmetic number, because the mean of its divisors is an integer number (646087).

Almost surely, 2^4472865 is an apocalyptic number.

4472865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4472865 is a deficient number, since it is larger than the sum of its proper divisors (3280179).

4472865 is a wasteful number, since it uses less digits than its factorization.

4472865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99408 (or 99405 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4472865 is about 2114.9148919046. The cubic root of 4472865 is about 164.7638495069.

The spelling of 4472865 in words is "four million, four hundred seventy-two thousand, eight hundred sixty-five".