3280787 has 4 divisors (see below), whose sum is σ = 3453480. Its totient is φ = 3108096.

The previous prime is 3280759. The next prime is 3280793. The reversal of 3280787 is 7870823.

It is a happy number.

3280787 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 is not a de Polignac number, because 3280787 - 2¹⁰ = 3279763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3280747) 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, 86318 + ... + 86355.

It is an arithmetic number, because the mean of its divisors is an integer number (863370).

Almost surely, 2^3280787 is an apocalyptic number.

3280787 is a deficient number, since it is larger than the sum of its proper divisors (172693).

3280787 is a wasteful number, since it uses less digits than its factorization.

3280787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172692.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3280787 is about 1811.2942886235. The cubic root of 3280787 is about 148.5910591929.

The spelling of 3280787 in words is "three million, two hundred eighty thousand, seven hundred eighty-seven".