3604591 has 2 divisors, whose sum is σ = 3604592. Its totient is φ = 3604590.

The previous prime is 3604567. The next prime is 3604603. The reversal of 3604591 is 1954063.

3604591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3604591 - 2¹⁹ = 3080303 is a prime.

It is a Chen prime.

3604591 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3604511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802295 + 1802296.

It is an arithmetic number, because the mean of its divisors is an integer number (1802296).

Almost surely, 2^3604591 is an apocalyptic number.

3604591 is a deficient number, since it is larger than the sum of its proper divisors (1).

3604591 is an equidigital number, since it uses as much as digits as its factorization.

3604591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 3604591 is about 1898.5760453561. The cubic root of 3604591 is about 153.3270092960.

The spelling of 3604591 in words is "three million, six hundred four thousand, five hundred ninety-one".