3667613 has 4 divisors (see below), whose sum is σ = 3704028. Its totient is φ = 3631200.

The previous prime is 3667591. The next prime is 3667621. The reversal of 3667613 is 3167663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 1530169 = 1462^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667613 - 2⁸ = 3667357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3667613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667673) 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, 18056 + ... + 18257.

It is an arithmetic number, because the mean of its divisors is an integer number (926007).

Almost surely, 2^3667613 is an apocalyptic number.

It is an amenable number.

3667613 is a deficient number, since it is larger than the sum of its proper divisors (36415).

3667613 is a wasteful number, since it uses less digits than its factorization.

3667613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36414.

The product of its digits is 13608, while the sum is 32.

The square root of 3667613 is about 1915.1013028036. The cubic root of 3667613 is about 154.2154318908.

The spelling of 3667613 in words is "three million, six hundred sixty-seven thousand, six hundred thirteen".