3644607 has 12 divisors (see below), whose sum is σ = 4957400. Its totient is φ = 2381712.

The previous prime is 3644593. The next prime is 3644617. The reversal of 3644607 is 7064463.

It is not a de Polignac number, because 3644607 - 2⁷ = 3644479 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 (3644617) 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, 10269 + ... + 10617.

Almost surely, 2^3644607 is an apocalyptic number.

3644607 is a deficient number, since it is larger than the sum of its proper divisors (1312793).

3644607 is an equidigital number, since it uses as much as digits as its factorization.

3644607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 3644607 is about 1909.0853831089. The cubic root of 3644607 is about 153.8923039688.

The spelling of 3644607 in words is "three million, six hundred forty-four thousand, six hundred seven".