3489561 has 20 divisors (see below), whose sum is σ = 5298832. Its totient is φ = 2288088.

The previous prime is 3489533. The next prime is 3489571. The reversal of 3489561 is 1659843.

It is not a de Polignac number, because 3489561 - 2⁵ = 3489529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3489571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5106 + ... + 5748.

Almost surely, 2^3489561 is an apocalyptic number.

It is an amenable number.

3489561 is a deficient number, since it is larger than the sum of its proper divisors (1809271).

3489561 is an equidigital number, since it uses as much as digits as its factorization.

3489561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 713 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3489561 is about 1868.0366698756. The cubic root of 3489561 is about 151.6783508824.

The spelling of 3489561 in words is "three million, four hundred eighty-nine thousand, five hundred sixty-one".