2005598 has 8 divisors (see below), whose sum is σ = 3438192. Its totient is φ = 859536.

The previous prime is 2005579. The next prime is 2005613. The reversal of 2005598 is 8955002.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2005598.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 71615 + ... + 71642.

It is an arithmetic number, because the mean of its divisors is an integer number (429774).

2^2005598 is an apocalyptic number.

2005598 is a deficient number, since it is larger than the sum of its proper divisors (1432594).

2005598 is a wasteful number, since it uses less digits than its factorization.

2005598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143266.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2005598 is about 1416.1913712490. The cubic root of 2005598 is about 126.1095461189.

The spelling of 2005598 in words is "two million, five thousand, five hundred ninety-eight".