3443281 has 4 divisors (see below), whose sum is σ = 3453552. Its totient is φ = 3433012.

The previous prime is 3443243. The next prime is 3443317. The reversal of 3443281 is 1823443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3443281 - 2¹¹ = 3441233 is a prime.

It is a super-2 number, since 2×3443281² = 23712368089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3443681) 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, 4615 + ... + 5308.

It is an arithmetic number, because the mean of its divisors is an integer number (863388).

Almost surely, 2^3443281 is an apocalyptic number.

It is an amenable number.

3443281 is a deficient number, since it is larger than the sum of its proper divisors (10271).

3443281 is an equidigital number, since it uses as much as digits as its factorization.

3443281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10270.

The product of its digits is 2304, while the sum is 25.

The square root of 3443281 is about 1855.6079866179. The cubic root of 3443281 is about 151.0048241957.

The spelling of 3443281 in words is "three million, four hundred forty-three thousand, two hundred eighty-one".