3989699 has 4 divisors (see below), whose sum is σ = 4559664. Its totient is φ = 3419736.

The previous prime is 3989683. The next prime is 3989701. The reversal of 3989699 is 9969893.

3989699 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 not a de Polignac number, because 3989699 - 2⁴ = 3989683 is a prime.

It is a super-2 number, since 2×3989699² = 31835396221202, which contains 22 as substring.

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 3989699.

It is not an unprimeable number, because it can be changed into a prime (3983699) 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, 284972 + ... + 284985.

It is an arithmetic number, because the mean of its divisors is an integer number (1139916).

Almost surely, 2^3989699 is an apocalyptic number.

3989699 is a deficient number, since it is larger than the sum of its proper divisors (569965).

3989699 is an equidigital number, since it uses as much as digits as its factorization.

3989699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569964.

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

The square root of 3989699 is about 1997.4230898836. The cubic root of 3989699 is about 158.6037229049.

The spelling of 3989699 in words is "three million, nine hundred eighty-nine thousand, six hundred ninety-nine".