3280743 has 24 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 2088504.

The previous prime is 3280703. The next prime is 3280747. The reversal of 3280743 is 3470823.

It is not a de Polignac number, because 3280743 - 2⁹ = 3280231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5296 + ... + 5882.

It is an arithmetic number, because the mean of its divisors is an integer number (214032).

Almost surely, 2^3280743 is an apocalyptic number.

3280743 is a deficient number, since it is larger than the sum of its proper divisors (1856025).

3280743 is an equidigital number, since it uses as much as digits as its factorization.

3280743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3280743 is about 1811.2821425719. The cubic root of 3280743 is about 148.5903949177.

The spelling of 3280743 in words is "three million, two hundred eighty thousand, seven hundred forty-three".