3969169 has 8 divisors (see below), whose sum is σ = 4102560. Its totient is φ = 3837600.

The previous prime is 3969167. The next prime is 3969181. The reversal of 3969169 is 9619693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3969169 - 2¹ = 3969167 is a prime.

It is a super-2 number, since 2×3969169² = 31508605101122, which contains 22 as substring.

It is a Duffinian number.

3969169 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3969167) 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, 5002 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (512820).

Almost surely, 2^3969169 is an apocalyptic number.

It is an amenable number.

3969169 is a deficient number, since it is larger than the sum of its proper divisors (133391).

3969169 is a wasteful number, since it uses less digits than its factorization.

3969169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its digits is 78732, while the sum is 43.

The square root of 3969169 is about 1992.2773401311. The cubic root of 3969169 is about 158.3312098207.

It can be divided in two parts, 3969 and 169, that multiplied together give a square (670761 = 819²).

The spelling of 3969169 in words is "three million, nine hundred sixty-nine thousand, one hundred sixty-nine".