5991898 has 8 divisors (see below), whose sum is σ = 9804960. Its totient is φ = 2723580.

The previous prime is 5991883. The next prime is 5991899. The reversal of 5991898 is 8981995.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (5991899) 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, 136158 + ... + 136201.

It is an arithmetic number, because the mean of its divisors is an integer number (1225620).

Almost surely, 2^5991898 is an apocalyptic number.

5991898 is a deficient number, since it is larger than the sum of its proper divisors (3813062).

5991898 is a wasteful number, since it uses less digits than its factorization.

5991898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272372.

The product of its digits is 233280, while the sum is 49.

The square root of 5991898 is about 2447.8353702813. The cubic root of 5991898 is about 181.6302318238.

It can be divided in two parts, 5991 and 898, that added together give a square (6889 = 83²).

The spelling of 5991898 in words is "five million, nine hundred ninety-one thousand, eight hundred ninety-eight".