3809684 has 12 divisors (see below), whose sum is σ = 6688500. Its totient is φ = 1898688.

The previous prime is 3809681. The next prime is 3809699. The reversal of 3809684 is 4869083.

It can be written as a sum of positive squares in 2 ways, for example, as 3319684 + 490000 = 1822^2 + 700^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3 + 8⁵ + 0 + 9² + 6⁸ + 8⁷ + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809681) 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, 32 + ... + 2760.

It is an arithmetic number, because the mean of its divisors is an integer number (557375).

Almost surely, 2^3809684 is an apocalyptic number.

It is an amenable number.

3809684 is a deficient number, since it is larger than the sum of its proper divisors (2878816).

3809684 is a wasteful number, since it uses less digits than its factorization.

3809684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3809684 is about 1951.8411820637. The cubic root of 3809684 is about 156.1815222068.

The spelling of 3809684 in words is "three million, eight hundred nine thousand, six hundred eighty-four".