3644307 has 12 divisors (see below), whose sum is σ = 5573880. Its totient is φ = 2286528.

The previous prime is 3644297. The next prime is 3644309. The reversal of 3644307 is 7034463.

It is not a de Polignac number, because 3644307 - 2²⁰ = 2595731 is a prime.

3644307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3644309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11757 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (464490).

Almost surely, 2^3644307 is an apocalyptic number.

3644307 is a deficient number, since it is larger than the sum of its proper divisors (1929573).

3644307 is a wasteful number, since it uses less digits than its factorization.

3644307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23842 (or 23839 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 3644307 is about 1909.0068098359. The cubic root of 3644307 is about 153.8880813866. Note that the first 3 decimals are identical.

The spelling of 3644307 in words is "three million, six hundred forty-four thousand, three hundred seven".