3589661 has 2 divisors, whose sum is σ = 3589662. Its totient is φ = 3589660.

The previous prime is 3589609. The next prime is 3589693. The reversal of 3589661 is 1669853.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 280900 = 1819^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 3589661 - 2¹⁸ = 3327517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3589361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1794830 + 1794831.

It is an arithmetic number, because the mean of its divisors is an integer number (1794831).

Almost surely, 2^3589661 is an apocalyptic number.

It is an amenable number.

3589661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3589661 is an equidigital number, since it uses as much as digits as its factorization.

3589661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 3589661 is about 1894.6400713592. The cubic root of 3589661 is about 153.1150259226.

The spelling of 3589661 in words is "three million, five hundred eighty-nine thousand, six hundred sixty-one".