3489565 has 4 divisors (see below), whose sum is σ = 4187484. Its totient is φ = 2791648.

The previous prime is 3489533. The next prime is 3489571. The reversal of 3489565 is 5659843.

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

It can be written as a sum of positive squares in 2 ways, for example, as 974169 + 2515396 = 987^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3489565 - 2⁵ = 3489533 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348952 + ... + 348961.

It is an arithmetic number, because the mean of its divisors is an integer number (1046871).

Almost surely, 2^3489565 is an apocalyptic number.

It is an amenable number.

3489565 is a deficient number, since it is larger than the sum of its proper divisors (697919).

3489565 is an equidigital number, since it uses as much as digits as its factorization.

3489565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697918.

The product of its digits is 129600, while the sum is 40.

The square root of 3489565 is about 1868.0377405181. The cubic root of 3489565 is about 151.6784088374.

The spelling of 3489565 in words is "three million, four hundred eighty-nine thousand, five hundred sixty-five".