3645607 has 8 divisors (see below), whose sum is σ = 4185632. Its totient is φ = 3110400.

The previous prime is 3645589. The next prime is 3645611. The reversal of 3645607 is 7065463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645607 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 (3645007) 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, 607 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (523204).

Almost surely, 2^3645607 is an apocalyptic number.

3645607 is a deficient number, since it is larger than the sum of its proper divisors (540025).

3645607 is a wasteful number, since it uses less digits than its factorization.

3645607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3645607 is about 1909.3472706661. The cubic root of 3645607 is about 153.9063775695.

The spelling of 3645607 in words is "three million, six hundred forty-five thousand, six hundred seven".