3667879 has 4 divisors (see below), whose sum is σ = 3827376. Its totient is φ = 3508384.

The previous prime is 3667871. The next prime is 3667897. The reversal of 3667879 is 9787663.

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 3667879 - 2³ = 3667871 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 (3667871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79714 + ... + 79759.

It is an arithmetic number, because the mean of its divisors is an integer number (956844).

Almost surely, 2^3667879 is an apocalyptic number.

3667879 is a deficient number, since it is larger than the sum of its proper divisors (159497).

3667879 is a wasteful number, since it uses less digits than its factorization.

3667879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159496.

The product of its digits is 381024, while the sum is 46.

The square root of 3667879 is about 1915.1707495678. The cubic root of 3667879 is about 154.2191600480.

It can be divided in two parts, 366787 and 9, that added together give a triangular number (366796 = T₈₅₆).

The spelling of 3667879 in words is "three million, six hundred sixty-seven thousand, eight hundred seventy-nine".