3597989 has 2 divisors, whose sum is σ = 3597990. Its totient is φ = 3597988.

The previous prime is 3597983. The next prime is 3598009. The reversal of 3597989 is 9897953.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 1085764 = 1585^2 + 1042^2 .

It is a cyclic number.

It is not a de Polignac number, because 3597989 - 2¹⁶ = 3532453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3597983) 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, 1798994 + 1798995.

It is an arithmetic number, because the mean of its divisors is an integer number (1798995).

Almost surely, 2^3597989 is an apocalyptic number.

It is an amenable number.

3597989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3597989 is an equidigital number, since it uses as much as digits as its factorization.

3597989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 50.

The square root of 3597989 is about 1896.8365770408. The cubic root of 3597989 is about 153.2333432323.

The spelling of 3597989 in words is "three million, five hundred ninety-seven thousand, nine hundred eighty-nine".