3290639 has 8 divisors (see below), whose sum is σ = 3801168. Its totient is φ = 2815360.

The previous prime is 3290593. The next prime is 3290641. The reversal of 3290639 is 9360923.

3290639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3290639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3290689) 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 7 ways as a sum of consecutive naturals, for example, 8612 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (475146).

Almost surely, 2^3290639 is an apocalyptic number.

3290639 is a deficient number, since it is larger than the sum of its proper divisors (510529).

3290639 is a wasteful number, since it uses less digits than its factorization.

3290639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17625.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3290639 is about 1814.0118522215. The cubic root of 3290639 is about 148.7396471386.

The spelling of 3290639 in words is "three million, two hundred ninety thousand, six hundred thirty-nine".