3683591 has 4 divisors (see below), whose sum is σ = 3687432. Its totient is φ = 3679752.

The previous prime is 3683569. The next prime is 3683597. The reversal of 3683591 is 1953863.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3683591 - 2⁶ = 3683527 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 (3683597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (921858).

Almost surely, 2^3683591 is an apocalyptic number.

3683591 is a deficient number, since it is larger than the sum of its proper divisors (3841).

3683591 is a wasteful number, since it uses less digits than its factorization.

3683591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840.

The product of its digits is 19440, while the sum is 35.

The square root of 3683591 is about 1919.2683501793. The cubic root of 3683591 is about 154.4390545921.

The spelling of 3683591 in words is "three million, six hundred eighty-three thousand, five hundred ninety-one".