4039996 has 12 divisors (see below), whose sum is σ = 7377552. Its totient is φ = 1932128.

The previous prime is 4039991. The next prime is 4040009. The reversal of 4039996 is 6999304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4039991) 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 3 ways as a sum of consecutive naturals, for example, 21865 + ... + 22048.

It is an arithmetic number, because the mean of its divisors is an integer number (614796).

Almost surely, 2^4039996 is an apocalyptic number.

4039996 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4039996 is a deficient number, since it is larger than the sum of its proper divisors (3337556).

4039996 is a wasteful number, since it uses less digits than its factorization.

4039996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43940 (or 43938 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 4039996 is about 2009.9741291867. The cubic root of 4039996 is about 159.2674322722.

The spelling of 4039996 in words is "four million, thirty-nine thousand, nine hundred ninety-six".