3644531 has 8 divisors (see below), whose sum is σ = 4073328. Its totient is φ = 3232000.

The previous prime is 3644513. The next prime is 3644569. The reversal of 3644531 is 1354463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3644531 - 2¹⁸ = 3382387 is a prime.

It is a super-2 number, since 2×3644531² = 26565212419922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3644531.

It is not an unprimeable number, because it can be changed into a prime (3644231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3590 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (509166).

Almost surely, 2^3644531 is an apocalyptic number.

3644531 is a deficient number, since it is larger than the sum of its proper divisors (428797).

3644531 is a wasteful number, since it uses less digits than its factorization.

3644531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133.

The product of its digits is 4320, while the sum is 26.

The square root of 3644531 is about 1909.0654781856. The cubic root of 3644531 is about 153.8912342699.

Adding to 3644531 its reverse (1354463), we get a palindrome (4998994).

The spelling of 3644531 in words is "three million, six hundred forty-four thousand, five hundred thirty-one".