3684738 has 16 divisors (see below), whose sum is σ = 7690176. Its totient is φ = 1174800.

The previous prime is 3684721. The next prime is 3684749. The reversal of 3684738 is 8374863.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3684696 and 3684705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13213 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (480636).

Almost surely, 2^3684738 is an apocalyptic number.

3684738 is an abundant number, since it is smaller than the sum of its proper divisors (4005438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3684738 is a wasteful number, since it uses less digits than its factorization.

3684738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26729.

The product of its digits is 96768, while the sum is 39.

The square root of 3684738 is about 1919.5671387060. The cubic root of 3684738 is about 154.4550827208.

The spelling of 3684738 in words is "three million, six hundred eighty-four thousand, seven hundred thirty-eight".