3693665 has 8 divisors (see below), whose sum is σ = 4458240. Its totient is φ = 2937712.

The previous prime is 3693661. The next prime is 3693689. The reversal of 3693665 is 5663963.

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 3693665 - 2² = 3693661 is a prime.

It is a super-2 number, since 2×3693665² = 27286322264450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3693661) 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, 1169 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (557280).

Almost surely, 2^3693665 is an apocalyptic number.

It is an amenable number.

3693665 is a deficient number, since it is larger than the sum of its proper divisors (764575).

3693665 is a wasteful number, since it uses less digits than its factorization.

3693665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311.

The product of its digits is 87480, while the sum is 38.

The square root of 3693665 is about 1921.8909958684. The cubic root of 3693665 is about 154.5797146967.

The spelling of 3693665 in words is "three million, six hundred ninety-three thousand, six hundred sixty-five".