3697665 has 8 divisors (see below), whose sum is σ = 5916288. Its totient is φ = 1972080.

The previous prime is 3697657. The next prime is 3697691. The reversal of 3697665 is 5667963.

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

It is not a de Polignac number, because 3697665 - 2³ = 3697657 is a prime.

3697665 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123241 + ... + 123270.

It is an arithmetic number, because the mean of its divisors is an integer number (739536).

Almost surely, 2^3697665 is an apocalyptic number.

It is an amenable number.

3697665 is a deficient number, since it is larger than the sum of its proper divisors (2218623).

3697665 is a wasteful number, since it uses less digits than its factorization.

3697665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246519.

The product of its digits is 204120, while the sum is 42.

The square root of 3697665 is about 1922.9313560291. The cubic root of 3697665 is about 154.6354945064.

The spelling of 3697665 in words is "three million, six hundred ninety-seven thousand, six hundred sixty-five".