3653667 has 20 divisors (see below), whose sum is σ = 5590200. Its totient is φ = 2376864.

The previous prime is 3653659. The next prime is 3653669. The reversal of 3653667 is 7663563.

It is not a de Polignac number, because 3653667 - 2³ = 3653659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3653669) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2959 + ... + 4007.

It is an arithmetic number, because the mean of its divisors is an integer number (279510).

Almost surely, 2^3653667 is an apocalyptic number.

3653667 is a deficient number, since it is larger than the sum of its proper divisors (1936533).

3653667 is a wasteful number, since it uses less digits than its factorization.

3653667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1095 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 3653667 is about 1911.4567742955. The cubic root of 3653667 is about 154.0197169335.

The spelling of 3653667 in words is "three million, six hundred fifty-three thousand, six hundred sixty-seven".