3448891 has 2 divisors, whose sum is σ = 3448892. Its totient is φ = 3448890.

The previous prime is 3448889. The next prime is 3448897. The reversal of 3448891 is 1988443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3448891 - 2¹ = 3448889 is a prime.

Together with 3448889, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3448891.

It is not a weakly prime, because it can be changed into another prime (3448897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724445 + 1724446.

It is an arithmetic number, because the mean of its divisors is an integer number (1724446).

Almost surely, 2^3448891 is an apocalyptic number.

3448891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3448891 is an equidigital number, since it uses as much as digits as its factorization.

3448891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 3448891 is about 1857.1190053413. The cubic root of 3448891 is about 151.0867884047.

Subtracting from 3448891 its product of digits (27648), we obtain a palindrome (3421243).

The spelling of 3448891 in words is "three million, four hundred forty-eight thousand, eight hundred ninety-one".