3996899 has 4 divisors (see below), whose sum is σ = 4001664. Its totient is φ = 3992136.

The previous prime is 3996869. The next prime is 3996911. The reversal of 3996899 is 9986993.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3996899 - 2¹⁶ = 3931363 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3996899.

It is not an unprimeable number, because it can be changed into a prime (3996869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (1000416).

Almost surely, 2^3996899 is an apocalyptic number.

3996899 is a deficient number, since it is larger than the sum of its proper divisors (4765).

3996899 is a wasteful number, since it uses less digits than its factorization.

3996899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764.

The product of its digits is 944784, while the sum is 53.

The square root of 3996899 is about 1999.2245996886. The cubic root of 3996899 is about 158.6990735029.

The spelling of 3996899 in words is "three million, nine hundred ninety-six thousand, eight hundred ninety-nine".