3280491 has 6 divisors (see below), whose sum is σ = 4738500. Its totient is φ = 2186988.

The previous prime is 3280489. The next prime is 3280493. The reversal of 3280491 is 1940823.

3280491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3280489) and next prime (3280493).

It is not a de Polignac number, because 3280491 - 2¹ = 3280489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3280493) 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 5 ways as a sum of consecutive naturals, for example, 182241 + ... + 182258.

It is an arithmetic number, because the mean of its divisors is an integer number (789750).

Almost surely, 2^3280491 is an apocalyptic number.

3280491 is a deficient number, since it is larger than the sum of its proper divisors (1458009).

3280491 is a wasteful number, since it uses less digits than its factorization.

3280491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364505 (or 364502 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3280491 is about 1811.2125772532. The cubic root of 3280491 is about 148.5865903184.

The spelling of 3280491 in words is "three million, two hundred eighty thousand, four hundred ninety-one".