3169649 has 4 divisors (see below), whose sum is σ = 3622464. Its totient is φ = 2716836.

The previous prime is 3169643. The next prime is 3169681. The reversal of 3169649 is 9469613.

3169649 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9469613 = 241 ⋅39293.

It is a cyclic number.

It is not a de Polignac number, because 3169649 - 2¹⁶ = 3104113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3169643) 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, 226397 + ... + 226410.

It is an arithmetic number, because the mean of its divisors is an integer number (905616).

Almost surely, 2^3169649 is an apocalyptic number.

It is an amenable number.

3169649 is a deficient number, since it is larger than the sum of its proper divisors (452815).

3169649 is an equidigital number, since it uses as much as digits as its factorization.

3169649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452814.

The product of its digits is 34992, while the sum is 38.

The square root of 3169649 is about 1780.3508081274. The cubic root of 3169649 is about 146.8938873553.

The spelling of 3169649 in words is "three million, one hundred sixty-nine thousand, six hundred forty-nine".