3555998605 has 8 divisors (see below), whose sum is σ = 4452728832. Its totient is φ = 2721111888.

The previous prime is 3555998597. The next prime is 3555998609. The reversal of 3555998605 is 5068995553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3555998605 - 2³ = 3555998597 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 (3555998609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15460749 + ... + 15460978.

It is an arithmetic number, because the mean of its divisors is an integer number (556591104).

Almost surely, 2^3555998605 is an apocalyptic number.

It is an amenable number.

3555998605 is a deficient number, since it is larger than the sum of its proper divisors (896730227).

3555998605 is a wasteful number, since it uses less digits than its factorization.

3555998605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921755.

The product of its (nonzero) digits is 7290000, while the sum is 55.

The square root of 3555998605 is about 59632.1943668016. The cubic root of 3555998605 is about 1526.3490497309.

The spelling of 3555998605 in words is "three billion, five hundred fifty-five million, nine hundred ninety-eight thousand, six hundred five".