3599641 has 2 divisors, whose sum is σ = 3599642. Its totient is φ = 3599640.

The previous prime is 3599639. The next prime is 3599647. The reversal of 3599641 is 1469953.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 484416 = 1765^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 3599641 - 2¹ = 3599639 is a prime.

Together with 3599639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3599641.

It is not a weakly prime, because it can be changed into another prime (3599647) 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 as a sum of consecutive naturals, namely, 1799820 + 1799821.

It is an arithmetic number, because the mean of its divisors is an integer number (1799821).

Almost surely, 2^3599641 is an apocalyptic number.

It is an amenable number.

3599641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3599641 is an equidigital number, since it uses as much as digits as its factorization.

3599641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 3599641 is about 1897.2719889357. The cubic root of 3599641 is about 153.2567917707.

It can be divided in two parts, 359 and 9641, that added together give a 4-th power (10000 = 10⁴).

The spelling of 3599641 in words is "three million, five hundred ninety-nine thousand, six hundred forty-one".