3489643 has 4 divisors (see below), whose sum is σ = 3496000. Its totient is φ = 3483288.

The previous prime is 3489617. The next prime is 3489649. The reversal of 3489643 is 3469843.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3489643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3489649) 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, 2268 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (874000).

Almost surely, 2^3489643 is an apocalyptic number.

3489643 is a deficient number, since it is larger than the sum of its proper divisors (6357).

3489643 is an equidigital number, since it uses as much as digits as its factorization.

3489643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

The product of its digits is 62208, while the sum is 37.

The square root of 3489643 is about 1868.0586179240. The cubic root of 3489643 is about 151.6795389523.

The spelling of 3489643 in words is "three million, four hundred eighty-nine thousand, six hundred forty-three".