5995998 has 32 divisors (see below), whose sum is σ = 13689120. Its totient is φ = 1944000.

The previous prime is 5995991. The next prime is 5995999. The reversal of 5995998 is 8995995.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5995991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498 + ... + 3498.

It is an arithmetic number, because the mean of its divisors is an integer number (427785).

Almost surely, 2^5995998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5995998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6844560).

5995998 is an abundant number, since it is smaller than the sum of its proper divisors (7693122).

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

5995998 is a wasteful number, since it uses less digits than its factorization.

5995998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3043 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 54.

The square root of 5995998 is about 2448.6727016896. The cubic root of 5995998 is about 181.6716496496.

The spelling of 5995998 in words is "five million, nine hundred ninety-five thousand, nine hundred ninety-eight".