3959699 has 4 divisors (see below), whose sum is σ = 4004280. Its totient is φ = 3915120.

The previous prime is 3959687. The next prime is 3959701. The reversal of 3959699 is 9969593.

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 3959699 - 2¹² = 3955603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3959299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22157 + ... + 22334.

It is an arithmetic number, because the mean of its divisors is an integer number (1001070).

Almost surely, 2^3959699 is an apocalyptic number.

3959699 is a deficient number, since it is larger than the sum of its proper divisors (44581).

3959699 is an equidigital number, since it uses as much as digits as its factorization.

3959699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44580.

The product of its digits is 590490, while the sum is 50.

The square root of 3959699 is about 1989.8992436804. The cubic root of 3959699 is about 158.2051892687.

The spelling of 3959699 in words is "three million, nine hundred fifty-nine thousand, six hundred ninety-nine".