3684138 has 32 divisors (see below), whose sum is σ = 8216640. Its totient is φ = 1094400.

The previous prime is 3684103. The next prime is 3684151. The reversal of 3684138 is 8314863.

3684138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3684099 and 3684108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (256770).

Almost surely, 2^3684138 is an apocalyptic number.

3684138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3684138 is an abundant number, since it is smaller than the sum of its proper divisors (4532502).

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

3684138 is a wasteful number, since it uses less digits than its factorization.

3684138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its digits is 13824, while the sum is 33.

The square root of 3684138 is about 1919.4108471091. The cubic root of 3684138 is about 154.4466987615.

The spelling of 3684138 in words is "three million, six hundred eighty-four thousand, one hundred thirty-eight".