3983806 has 16 divisors (see below), whose sum is σ = 6446160. Its totient is φ = 1840320.

The previous prime is 3983789. The next prime is 3983809. The reversal of 3983806 is 6083893.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (402885).

Almost surely, 2^3983806 is an apocalyptic number.

3983806 is a deficient number, since it is larger than the sum of its proper divisors (2462354).

3983806 is a wasteful number, since it uses less digits than its factorization.

3983806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3983806 is about 1995.9473940963. The cubic root of 3983806 is about 158.5255956833.

It can be divided in two parts, 39 and 83806, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 3983806 in words is "three million, nine hundred eighty-three thousand, eight hundred six".