3443657 has 4 divisors (see below), whose sum is σ = 3935616. Its totient is φ = 2951700.

The previous prime is 3443641. The next prime is 3443659. The reversal of 3443657 is 7563443.

3443657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3443657 - 2⁴ = 3443641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3443659) 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 3 ways as a sum of consecutive naturals, for example, 245969 + ... + 245982.

It is an arithmetic number, because the mean of its divisors is an integer number (983904).

Almost surely, 2^3443657 is an apocalyptic number.

It is an amenable number.

3443657 is a deficient number, since it is larger than the sum of its proper divisors (491959).

3443657 is an equidigital number, since it uses as much as digits as its factorization.

3443657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491958.

The product of its digits is 30240, while the sum is 32.

The square root of 3443657 is about 1855.7092983547. The cubic root of 3443657 is about 151.0103204793.

The spelling of 3443657 in words is "three million, four hundred forty-three thousand, six hundred fifty-seven".