6239891 has 8 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 5305608.

The previous prime is 6239887. The next prime is 6239921. The reversal of 6239891 is 1989326.

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

It is not a de Polignac number, because 6239891 - 2² = 6239887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6239801) 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, 2621 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 2^6239891 is an apocalyptic number.

6239891 is a deficient number, since it is larger than the sum of its proper divisors (948589).

6239891 is a wasteful number, since it uses less digits than its factorization.

6239891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153.

The product of its digits is 23328, while the sum is 38.

The square root of 6239891 is about 2497.9773818031. The cubic root of 6239891 is about 184.1022096752.

The spelling of 6239891 in words is "six million, two hundred thirty-nine thousand, eight hundred ninety-one".