3996836 has 24 divisors (see below), whose sum is σ = 7552440. Its totient is φ = 1843712.

The previous prime is 3996827. The next prime is 3996857. The reversal of 3996836 is 6386993.

3996836 is digitally balanced in base 5, 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 4 ways, for example, as 409600 + 3587236 = 640^2 + 1894^2 .

It is an Ulam number.

It is an unprimeable number.

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, 3050 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (314685).

Almost surely, 2^3996836 is an apocalyptic number.

It is an amenable number.

3996836 is a deficient number, since it is larger than the sum of its proper divisors (3555604).

3996836 is a wasteful number, since it uses less digits than its factorization.

3996836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 3996836 is about 1999.2088435179. The cubic root of 3996836 is about 158.6982396819.

It can be divided in two parts, 39968 and 36, that added together give a palindrome (40004).

The spelling of 3996836 in words is "three million, nine hundred ninety-six thousand, eight hundred thirty-six".