3959169 has 4 divisors (see below), whose sum is σ = 5278896. Its totient is φ = 2639444.

The previous prime is 3959159. The next prime is 3959171. The reversal of 3959169 is 9619593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3959169 - 2⁹ = 3958657 is a prime.

It is a super-2 number, since 2×3959169² = 31350038341122, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3959169.

It is not an unprimeable number, because it can be changed into a prime (3959119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659859 + ... + 659864.

It is an arithmetic number, because the mean of its divisors is an integer number (1319724).

Almost surely, 2^3959169 is an apocalyptic number.

It is an amenable number.

3959169 is a deficient number, since it is larger than the sum of its proper divisors (1319727).

3959169 is a wasteful number, since it uses less digits than its factorization.

3959169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319726.

The product of its digits is 65610, while the sum is 42.

The square root of 3959169 is about 1989.7660666521. The cubic root of 3959169 is about 158.1981304416.

The spelling of 3959169 in words is "three million, nine hundred fifty-nine thousand, one hundred sixty-nine".