3988699 has 8 divisors (see below), whose sum is σ = 4686192. Its totient is φ = 3347040.

The previous prime is 3988687. The next prime is 3988703. The reversal of 3988699 is 9968893.

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 3988699 - 2⁵ = 3988667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3988619) 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, 13804 + ... + 14089.

It is an arithmetic number, because the mean of its divisors is an integer number (585774).

Almost surely, 2^3988699 is an apocalyptic number.

3988699 is a deficient number, since it is larger than the sum of its proper divisors (697493).

3988699 is a wasteful number, since it uses less digits than its factorization.

3988699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27917.

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

The square root of 3988699 is about 1997.1727516667. The cubic root of 3988699 is about 158.5904706959.

The spelling of 3988699 in words is "three million, nine hundred eighty-eight thousand, six hundred ninety-nine".