3684979 has 4 divisors (see below), whose sum is σ = 3705520. Its totient is φ = 3664440.

The previous prime is 3684977. The next prime is 3685007. The reversal of 3684979 is 9794863.

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 3684979 - 2¹ = 3684977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3684977) 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, 9999 + ... + 10360.

It is an arithmetic number, because the mean of its divisors is an integer number (926380).

Almost surely, 2^3684979 is an apocalyptic number.

3684979 is a deficient number, since it is larger than the sum of its proper divisors (20541).

3684979 is a wasteful number, since it uses less digits than its factorization.

3684979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540.

The product of its digits is 326592, while the sum is 46.

The square root of 3684979 is about 1919.6299122487. The cubic root of 3684979 is about 154.4584500216.

The spelling of 3684979 in words is "three million, six hundred eighty-four thousand, nine hundred seventy-nine".