5999667 has 4 divisors (see below), whose sum is σ = 7999560. Its totient is φ = 3999776.

The previous prime is 5999663. The next prime is 5999677. The reversal of 5999667 is 7669995.

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 5999667 - 2² = 5999663 is a prime.

It is a super-2 number, since 2×5999667² = 71992008221778, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5999663) 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, 999942 + ... + 999947.

It is an arithmetic number, because the mean of its divisors is an integer number (1999890).

Almost surely, 2^5999667 is an apocalyptic number.

5999667 is a deficient number, since it is larger than the sum of its proper divisors (1999893).

5999667 is a wasteful number, since it uses less digits than its factorization.

5999667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999892.

The product of its digits is 918540, while the sum is 51.

The square root of 5999667 is about 2449.4217684997. The cubic root of 5999667 is about 181.7086975479.

It can be divided in two parts, 5999 and 667, that added together give a palindrome (6666).

The spelling of 5999667 in words is "five million, nine hundred ninety-nine thousand, six hundred sixty-seven".