3626645 has 16 divisors (see below), whose sum is σ = 4784832. Its totient is φ = 2616960.

The previous prime is 3626641. The next prime is 3626657. The reversal of 3626645 is 5466263.

It is not a de Polignac number, because 3626645 - 2² = 3626641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12674 + ... + 12956.

It is an arithmetic number, because the mean of its divisors is an integer number (299052).

Almost surely, 2^3626645 is an apocalyptic number.

It is an amenable number.

3626645 is a deficient number, since it is larger than the sum of its proper divisors (1158187).

3626645 is a wasteful number, since it uses less digits than its factorization.

3626645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 25920, while the sum is 32.

The square root of 3626645 is about 1904.3752256318. The cubic root of 3626645 is about 153.6390743734.

It can be divided in two parts, 362 and 6645, that added together give a palindrome (7007).

The spelling of 3626645 in words is "three million, six hundred twenty-six thousand, six hundred forty-five".