3603959 has 4 divisors (see below), whose sum is σ = 3687816. Its totient is φ = 3520104.

The previous prime is 3603953. The next prime is 3603961. The reversal of 3603959 is 9593063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9593063 = 659 ⋅14557.

It is a cyclic number.

It is not a de Polignac number, because 3603959 - 2⁸ = 3603703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3603953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41864 + ... + 41949.

It is an arithmetic number, because the mean of its divisors is an integer number (921954).

Almost surely, 2^3603959 is an apocalyptic number.

3603959 is a deficient number, since it is larger than the sum of its proper divisors (83857).

3603959 is an equidigital number, since it uses as much as digits as its factorization.

3603959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83856.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 3603959 is about 1898.4095975316. The cubic root of 3603959 is about 153.3180477306.

The spelling of 3603959 in words is "three million, six hundred three thousand, nine hundred fifty-nine".