3943682 has 16 divisors (see below), whose sum is σ = 6135480. Its totient is φ = 1899648.

The previous prime is 3943673. The next prime is 3943691. The reversal of 3943682 is 2863493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3943673) and next prime (3943691).

It can be written as a sum of positive squares in 4 ways, for example, as 3682561 + 261121 = 1919^2 + 511^2 .

It is a congruent number.

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, 9944 + ... + 10332.

Almost surely, 2^3943682 is an apocalyptic number.

3943682 is a deficient number, since it is larger than the sum of its proper divisors (2191798).

3943682 is a wasteful number, since it uses less digits than its factorization.

3943682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 31104, while the sum is 35.

The square root of 3943682 is about 1985.8705899429. The cubic root of 3943682 is about 157.9915874386.

The spelling of 3943682 in words is "three million, nine hundred forty-three thousand, six hundred eighty-two".