5999668 has 24 divisors (see below), whose sum is σ = 11188800. Its totient is φ = 2806848.

The previous prime is 5999663. The next prime is 5999677. The reversal of 5999668 is 8669995.

It is a happy number.

It is a super-2 number, since 2×5999668² = 71992032220448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5999663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321 + ... + 7207.

It is an arithmetic number, because the mean of its divisors is an integer number (466200).

Almost surely, 2^5999668 is an apocalyptic number.

It is an amenable number.

5999668 is a deficient number, since it is larger than the sum of its proper divisors (5189132).

5999668 is a wasteful number, since it uses less digits than its factorization.

5999668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 52.

The square root of 5999668 is about 2449.4219726295. The cubic root of 5999668 is about 181.7087076434.

The spelling of 5999668 in words is "five million, nine hundred ninety-nine thousand, six hundred sixty-eight".