3240989 has 4 divisors (see below), whose sum is σ = 3273180. Its totient is φ = 3208800.

The previous prime is 3240983. The next prime is 3241093. The reversal of 3240989 is 9890423.

3240989 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 1776889 = 1210^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240989 - 2⁸ = 3240733 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 (3240983) 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, 15944 + ... + 16145.

It is an arithmetic number, because the mean of its divisors is an integer number (818295).

Almost surely, 2^3240989 is an apocalyptic number.

It is an amenable number.

3240989 is a deficient number, since it is larger than the sum of its proper divisors (32191).

3240989 is a wasteful number, since it uses less digits than its factorization.

3240989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32190.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3240989 is about 1800.2747012609. The cubic root of 3240989 is about 147.9877790006.

The spelling of 3240989 in words is "three million, two hundred forty thousand, nine hundred eighty-nine".