3667859 has 4 divisors (see below), whose sum is σ = 3950016. Its totient is φ = 3385704.

The previous prime is 3667849. The next prime is 3667871. The reversal of 3667859 is 9587663.

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

It is a cyclic number.

It is not a de Polignac number, because 3667859 - 2¹² = 3663763 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 (3667849) 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, 141059 + ... + 141084.

It is an arithmetic number, because the mean of its divisors is an integer number (987504).

Almost surely, 2^3667859 is an apocalyptic number.

3667859 is a deficient number, since it is larger than the sum of its proper divisors (282157).

3667859 is a wasteful number, since it uses less digits than its factorization.

3667859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282156.

The product of its digits is 272160, while the sum is 44.

The square root of 3667859 is about 1915.1655280941. The cubic root of 3667859 is about 154.2188797417.

The spelling of 3667859 in words is "three million, six hundred sixty-seven thousand, eight hundred fifty-nine".