3448643 has 16 divisors (see below), whose sum is σ = 4029696. Its totient is φ = 2919840.

The previous prime is 3448639. The next prime is 3448649. The reversal of 3448643 is 3468443.

It is not a de Polignac number, because 3448643 - 2² = 3448639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3448649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10721 + ... + 11037.

It is an arithmetic number, because the mean of its divisors is an integer number (251856).

Almost surely, 2^3448643 is an apocalyptic number.

3448643 is a deficient number, since it is larger than the sum of its proper divisors (581053).

3448643 is a wasteful number, since it uses less digits than its factorization.

3448643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its digits is 27648, while the sum is 32.

The square root of 3448643 is about 1857.0522340527. The cubic root of 3448643 is about 151.0831669100.

The spelling of 3448643 in words is "three million, four hundred forty-eight thousand, six hundred forty-three".