3280739 has 16 divisors (see below), whose sum is σ = 4133376. Its totient is φ = 2529600.

The previous prime is 3280703. The next prime is 3280747. The reversal of 3280739 is 9370823.

3280739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3280739 is a prime.

It is a super-2 number, since 2×3280739² = 21526496772242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3280759) 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 15 ways as a sum of consecutive naturals, for example, 10394 + ... + 10704.

It is an arithmetic number, because the mean of its divisors is an integer number (258336).

Almost surely, 2^3280739 is an apocalyptic number.

3280739 is a deficient number, since it is larger than the sum of its proper divisors (852637).

3280739 is a wasteful number, since it uses less digits than its factorization.

3280739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3280739 is about 1811.2810383814. The cubic root of 3280739 is about 148.5903345288.

The spelling of 3280739 in words is "three million, two hundred eighty thousand, seven hundred thirty-nine".