5989994 has 4 divisors (see below), whose sum is σ = 8984994. Its totient is φ = 2994996.

The previous prime is 5989993. The next prime is 5989999. The reversal of 5989994 is 4999895.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4999895 = 5 ⋅999979.

It can be written as a sum of positive squares in only one way, i.e., 4464769 + 1525225 = 2113^2 + 1235^2 .

It is not an unprimeable number, because it can be changed into a prime (5989993) by changing a digit.

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 as a sum of consecutive naturals, namely, 1497497 + ... + 1497500.

Almost surely, 2^5989994 is an apocalyptic number.

5989994 is a deficient number, since it is larger than the sum of its proper divisors (2995000).

5989994 is a wasteful number, since it uses less digits than its factorization.

5989994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994999.

The product of its digits is 1049760, while the sum is 53.

The square root of 5989994 is about 2447.4464243370. The cubic root of 5989994 is about 181.6109913651.

Subtracting from 5989994 its reverse (4999895), we obtain a palindrome (990099).

The spelling of 5989994 in words is "five million, nine hundred eighty-nine thousand, nine hundred ninety-four".