599840 has 48 divisors (see below), whose sum is σ = 1487808. Its totient is φ = 228096.

The previous prime is 599831. The next prime is 599843. The reversal of 599840 is 48995.

It is a self number, because there is not a number n which added to its sum of digits gives 599840.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 599840.

It is not an unprimeable number, because it can be changed into a prime (599843) by changing a digit.

599840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3599 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (30996).

2⁵⁹⁹⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 599840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743904).

599840 is an abundant number, since it is smaller than the sum of its proper divisors (887968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

599840 is a wasteful number, since it uses less digits than its factorization.

599840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 599840 is about 774.4933827994. The cubic root of 599840 is about 84.3357686844.

The spelling of 599840 in words is "five hundred ninety-nine thousand, eight hundred forty".