5990999 has 4 divisors (see below), whose sum is σ = 6846864. Its totient is φ = 5135136.

The previous prime is 5990977. The next prime is 5991031. The reversal of 5990999 is 9990995.

5990999 is digitally balanced in base 3, 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 is a cyclic number.

It is not a de Polignac number, because 5990999 - 2¹⁶ = 5925463 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 (5995999) 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, 427922 + ... + 427935.

It is an arithmetic number, because the mean of its divisors is an integer number (1711716).

Almost surely, 2^5990999 is an apocalyptic number.

5990999 is a deficient number, since it is larger than the sum of its proper divisors (855865).

5990999 is an equidigital number, since it uses as much as digits as its factorization.

5990999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855864.

The product of its (nonzero) digits is 295245, while the sum is 50.

The square root of 5990999 is about 2447.6517317625. The cubic root of 5990999 is about 181.6211476824.

The spelling of 5990999 in words is "five million, nine hundred ninety thousand, nine hundred ninety-nine".