6423971 has 8 divisors (see below), whose sum is σ = 6655824. Its totient is φ = 6196320.

The previous prime is 6423953. The next prime is 6423997. The reversal of 6423971 is 1793246.

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 6423971 - 2¹⁰ = 6422947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6420971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (831978).

Almost surely, 2^6423971 is an apocalyptic number.

6423971 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6423971 is a deficient number, since it is larger than the sum of its proper divisors (231853).

6423971 is a wasteful number, since it uses less digits than its factorization.

6423971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its digits is 9072, while the sum is 32.

The square root of 6423971 is about 2534.5553850725. Note that the first 3 decimals coincide. The cubic root of 6423971 is about 185.8950635589.

The spelling of 6423971 in words is "six million, four hundred twenty-three thousand, nine hundred seventy-one".