6239971 has 4 divisors (see below), whose sum is σ = 6282000. Its totient is φ = 6197944.

The previous prime is 6239957. The next prime is 6240001. The reversal of 6239971 is 1799326.

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 6239971 - 2¹⁹ = 5715683 is a prime.

It is a super-3 number, since 3×6239971³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6239971.

It is not an unprimeable number, because it can be changed into a prime (6239921) 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, 20791 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (1570500).

Almost surely, 2^6239971 is an apocalyptic number.

6239971 is a deficient number, since it is larger than the sum of its proper divisors (42029).

6239971 is a wasteful number, since it uses less digits than its factorization.

6239971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42028.

The product of its digits is 20412, while the sum is 37.

The square root of 6239971 is about 2497.9933947070. The cubic root of 6239971 is about 184.1029964471.

The spelling of 6239971 in words is "six million, two hundred thirty-nine thousand, nine hundred seventy-one".