3659189 has 4 divisors (see below), whose sum is σ = 3758124. Its totient is φ = 3560256.

The previous prime is 3659179. The next prime is 3659203. The reversal of 3659189 is 9819563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9819563 = 13 ⋅755351.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 1067089 = 1610^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 3659189 - 2²⁰ = 2610613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3659179) 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, 49412 + ... + 49485.

It is an arithmetic number, because the mean of its divisors is an integer number (939531).

Almost surely, 2^3659189 is an apocalyptic number.

It is an amenable number.

3659189 is a deficient number, since it is larger than the sum of its proper divisors (98935).

3659189 is an equidigital number, since it uses as much as digits as its factorization.

3659189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98934.

The product of its digits is 58320, while the sum is 41.

The square root of 3659189 is about 1912.9006769825. The cubic root of 3659189 is about 154.0972708693.

The spelling of 3659189 in words is "three million, six hundred fifty-nine thousand, one hundred eighty-nine".