5999971 has 8 divisors (see below), whose sum is σ = 6194880. Its totient is φ = 5808192.

The previous prime is 5999947. The next prime is 5999993. The reversal of 5999971 is 1799995.

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

It is a cyclic number.

It is not a de Polignac number, because 5999971 - 2¹³ = 5991779 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5999911) 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 in 7 ways as a sum of consecutive naturals, for example, 3471 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (774360).

Almost surely, 2^5999971 is an apocalyptic number.

5999971 is a deficient number, since it is larger than the sum of its proper divisors (194909).

5999971 is a wasteful number, since it uses less digits than its factorization.

5999971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its digits is 229635, while the sum is 49.

The square root of 5999971 is about 2449.4838231758. The cubic root of 5999971 is about 181.7117665244.

The spelling of 5999971 in words is "five million, nine hundred ninety-nine thousand, nine hundred seventy-one".