3659591 has 8 divisors (see below), whose sum is σ = 3986640. Its totient is φ = 3339072.

The previous prime is 3659587. The next prime is 3659611. The reversal of 3659591 is 1959563.

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 3659591 - 2² = 3659587 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 (3659501) 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, 425 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (498330).

Almost surely, 2^3659591 is an apocalyptic number.

3659591 is a deficient number, since it is larger than the sum of its proper divisors (327049).

3659591 is a wasteful number, since it uses less digits than its factorization.

3659591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its digits is 36450, while the sum is 38.

The square root of 3659591 is about 1913.0057501220. The cubic root of 3659591 is about 154.1029137257.

The spelling of 3659591 in words is "three million, six hundred fifty-nine thousand, five hundred ninety-one".