3984899 has 4 divisors (see below), whose sum is σ = 3994536. Its totient is φ = 3975264.

The previous prime is 3984859. The next prime is 3984917. The reversal of 3984899 is 9984893.

3984899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3984899 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3984809) by changing a digit.

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, 4169 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (998634).

Almost surely, 2^3984899 is an apocalyptic number.

3984899 is a deficient number, since it is larger than the sum of its proper divisors (9637).

3984899 is an equidigital number, since it uses as much as digits as its factorization.

3984899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636.

The product of its digits is 559872, while the sum is 50.

The square root of 3984899 is about 1996.2211801301. The cubic root of 3984899 is about 158.5400920914.

The spelling of 3984899 in words is "three million, nine hundred eighty-four thousand, eight hundred ninety-nine".