4918865 has 24 divisors (see below), whose sum is σ = 7276392. Its totient is φ = 3171840.

The previous prime is 4918861. The next prime is 4918871. The reversal of 4918865 is 5688194.

It can be written as a sum of positive squares in 4 ways, for example, as 2119936 + 2798929 = 1456^2 + 1673^2 .

It is not a de Polignac number, because 4918865 - 2² = 4918861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4918861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3575 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (303183).

Almost surely, 2^4918865 is an apocalyptic number.

It is an amenable number.

4918865 is a deficient number, since it is larger than the sum of its proper divisors (2357527).

4918865 is a wasteful number, since it uses less digits than its factorization.

4918865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1210 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 4918865 is about 2217.8514377658. The cubic root of 4918865 is about 170.0676201583.

The spelling of 4918865 in words is "four million, nine hundred eighteen thousand, eight hundred sixty-five".