6371939 has 4 divisors (see below), whose sum is σ = 7282224. Its totient is φ = 5461656.

The previous prime is 6371929. The next prime is 6371947. The reversal of 6371939 is 9391736.

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 6371939 - 2¹⁶ = 6306403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6371929) 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 3 ways as a sum of consecutive naturals, for example, 455132 + ... + 455145.

It is an arithmetic number, because the mean of its divisors is an integer number (1820556).

Almost surely, 2^6371939 is an apocalyptic number.

6371939 is a deficient number, since it is larger than the sum of its proper divisors (910285).

6371939 is an equidigital number, since it uses as much as digits as its factorization.

6371939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910284.

The product of its digits is 30618, while the sum is 38.

The square root of 6371939 is about 2524.2699934833. The cubic root of 6371939 is about 185.3918065788.

The spelling of 6371939 in words is "six million, three hundred seventy-one thousand, nine hundred thirty-nine".