3996109 has 8 divisors (see below), whose sum is σ = 4349240. Its totient is φ = 3649536.

The previous prime is 3996107. The next prime is 3996131. The reversal of 3996109 is 9016993.

It can be written as a sum of positive squares in 4 ways, for example, as 469225 + 3526884 = 685^2 + 1878^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3996109 - 2¹ = 3996107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996107) 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, 324 + ... + 2845.

It is an arithmetic number, because the mean of its divisors is an integer number (543655).

Almost surely, 2^3996109 is an apocalyptic number.

It is an amenable number.

3996109 is a deficient number, since it is larger than the sum of its proper divisors (353131).

3996109 is a wasteful number, since it uses less digits than its factorization.

3996109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 3996109 is about 1999.0270133242. The cubic root of 3996109 is about 158.6886170191.

The spelling of 3996109 in words is "three million, nine hundred ninety-six thousand, one hundred nine".