3683999 has 8 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 3328600.

The previous prime is 3683993. The next prime is 3684011. The reversal of 3683999 is 9993863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3683999 - 2¹⁶ = 3618463 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 (3683993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (505440).

Almost surely, 2^3683999 is an apocalyptic number.

3683999 is a deficient number, since it is larger than the sum of its proper divisors (359521).

3683999 is a wasteful number, since it uses less digits than its factorization.

3683999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its digits is 314928, while the sum is 47.

The square root of 3683999 is about 1919.3746377401. The cubic root of 3683999 is about 154.4447563478. Note that the first 3 decimals are identical.

The spelling of 3683999 in words is "three million, six hundred eighty-three thousand, nine hundred ninety-nine".