6671899 has 8 divisors (see below), whose sum is σ = 7212240. Its totient is φ = 6135456.

The previous prime is 6671893. The next prime is 6671921. The reversal of 6671899 is 9981766.

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 6671899 - 2³ = 6671891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6671891) 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, 3312 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (901530).

Almost surely, 2^6671899 is an apocalyptic number.

6671899 is a deficient number, since it is larger than the sum of its proper divisors (540341).

6671899 is a wasteful number, since it uses less digits than its factorization.

6671899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 163296, while the sum is 46.

The square root of 6671899 is about 2583.0019357329. The cubic root of 6671899 is about 188.2564310421.

The spelling of 6671899 in words is "six million, six hundred seventy-one thousand, eight hundred ninety-nine".