3986899 has 8 divisors (see below), whose sum is σ = 4631648. Its totient is φ = 3360960.

The previous prime is 3986897. The next prime is 3986921. The reversal of 3986899 is 9986893.

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 3986899 - 2¹ = 3986897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3986897) 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, 4242 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (578956).

Almost surely, 2^3986899 is an apocalyptic number.

3986899 is a deficient number, since it is larger than the sum of its proper divisors (644749).

3986899 is an equidigital number, since it uses as much as digits as its factorization.

3986899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405.

The product of its digits is 839808, while the sum is 52.

The square root of 3986899 is about 1996.7220637835. The cubic root of 3986899 is about 158.5666111367.

The spelling of 3986899 in words is "three million, nine hundred eighty-six thousand, eight hundred ninety-nine".