3986824 has 16 divisors (see below), whose sum is σ = 7677900. Its totient is φ = 1939392.

The previous prime is 3986813. The next prime is 3986839. The reversal of 3986824 is 4286893.

3986824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 338724 = 1910^2 + 582^2 .

It is a d-powerful number, because it can be written as 3¹¹ + 9 + 8⁵ + 6⁸ + 8⁷ + 2⁷ + 4 .

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 3 ways as a sum of consecutive naturals, for example, 6439 + ... + 7030.

Almost surely, 2^3986824 is an apocalyptic number.

It is an amenable number.

3986824 is a deficient number, since it is larger than the sum of its proper divisors (3691076).

3986824 is a wasteful number, since it uses less digits than its factorization.

3986824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512 (or 13508 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 3986824 is about 1996.7032829141. The cubic root of 3986824 is about 158.5656168326.

The spelling of 3986824 in words is "three million, nine hundred eighty-six thousand, eight hundred twenty-four".