3598865 has 4 divisors (see below), whose sum is σ = 4318644. Its totient is φ = 2879088.

The previous prime is 3598843. The next prime is 3598867. The reversal of 3598865 is 5688953.

3598865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 2274064 = 1151^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 3598865 - 2⁶ = 3598801 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3598867) 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 in 3 ways as a sum of consecutive naturals, for example, 359882 + ... + 359891.

It is an arithmetic number, because the mean of its divisors is an integer number (1079661).

Almost surely, 2^3598865 is an apocalyptic number.

It is an amenable number.

3598865 is a deficient number, since it is larger than the sum of its proper divisors (719779).

3598865 is an equidigital number, since it uses as much as digits as its factorization.

3598865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719778.

The product of its digits is 259200, while the sum is 44.

The square root of 3598865 is about 1897.0674737605. The cubic root of 3598865 is about 153.2457780967.

The spelling of 3598865 in words is "three million, five hundred ninety-eight thousand, eight hundred sixty-five".