3644875 has 16 divisors (see below), whose sum is σ = 4900896. Its totient is φ = 2690400.

The previous prime is 3644873. The next prime is 3644899. The reversal of 3644875 is 5784463.

It is not a de Polignac number, because 3644875 - 2¹ = 3644873 is a prime.

It is a super-2 number, since 2×3644875² = 26570227531250, which contains 22 as substring.

It is an Ulam number.

3644875 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3644873) 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, 504 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (306306).

Almost surely, 2^3644875 is an apocalyptic number.

3644875 is a deficient number, since it is larger than the sum of its proper divisors (1256021).

3644875 is a wasteful number, since it uses less digits than its factorization.

3644875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2261 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 3644875 is about 1909.1555724980. The cubic root of 3644875 is about 153.8960759463.

The spelling of 3644875 in words is "three million, six hundred forty-four thousand, eight hundred seventy-five".