3268391 has 4 divisors (see below), whose sum is σ = 3735312. Its totient is φ = 2801472.

The previous prime is 3268381. The next prime is 3268417. The reversal of 3268391 is 1938623.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3268391 - 2¹⁰ = 3267367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3268381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233450 + ... + 233463.

It is an arithmetic number, because the mean of its divisors is an integer number (933828).

Almost surely, 2^3268391 is an apocalyptic number.

3268391 is a deficient number, since it is larger than the sum of its proper divisors (466921).

3268391 is an equidigital number, since it uses as much as digits as its factorization.

3268391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466920.

The product of its digits is 7776, while the sum is 32.

The square root of 3268391 is about 1807.8691877456. The cubic root of 3268391 is about 148.4036794083.

The spelling of 3268391 in words is "three million, two hundred sixty-eight thousand, three hundred ninety-one".