3290869 has 4 divisors (see below), whose sum is σ = 3294796. Its totient is φ = 3286944.

The previous prime is 3290849. The next prime is 3290873. The reversal of 3290869 is 9680923.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9680923 = 7 ⋅1382989.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 1500625 = 1338^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 3290869 - 2¹⁷ = 3159797 is a prime.

It is a super-2 number, since 2×3290869² = 21659637550322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3290849) 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, 144 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (823699).

Almost surely, 2^3290869 is an apocalyptic number.

It is an amenable number.

3290869 is a deficient number, since it is larger than the sum of its proper divisors (3927).

3290869 is a wasteful number, since it uses less digits than its factorization.

3290869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 3290869 is about 1814.0752465099. The cubic root of 3290869 is about 148.7431124556.

The spelling of 3290869 in words is "three million, two hundred ninety thousand, eight hundred sixty-nine".