3629865 has 16 divisors (see below), whose sum is σ = 5875200. Its totient is φ = 1913472.

The previous prime is 3629863. The next prime is 3629867. The reversal of 3629865 is 5689263.

It is an interprime number because it is at equal distance from previous prime (3629863) and next prime (3629867).

It is not a de Polignac number, because 3629865 - 2¹ = 3629863 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6³ + 2¹¹ + 9³ + 8⁵ + 6⁶ + 5⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3629863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^3629865 is an apocalyptic number.

It is an amenable number.

3629865 is a deficient number, since it is larger than the sum of its proper divisors (2245335).

3629865 is a wasteful number, since it uses less digits than its factorization.

3629865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816.

The product of its digits is 77760, while the sum is 39.

The square root of 3629865 is about 1905.2204596844. The cubic root of 3629865 is about 153.6845315821.

It can be divided in two parts, 36298 and 65, that added together give a palindrome (36363).

The spelling of 3629865 in words is "three million, six hundred twenty-nine thousand, eight hundred sixty-five".