6671000 has 64 divisors (see below), whose sum is σ = 17858880. Its totient is φ = 2284800.

The previous prime is 6670973. The next prime is 6671003. The reversal of 6671000 is 1766.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671003) 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 15 ways as a sum of consecutive naturals, for example, 6524 + ... + 7476.

It is an arithmetic number, because the mean of its divisors is an integer number (279045).

Almost surely, 2^6671000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6671000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8929440).

6671000 is an abundant number, since it is smaller than the sum of its proper divisors (11187880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6671000 is a wasteful number, since it uses less digits than its factorization.

6671000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 6671000 is about 2582.8279075463. The cubic root of 6671000 is about 188.2479751720.

Adding to 6671000 its reverse (1766), we get a palindrome (6672766).

The spelling of 6671000 in words is "six million, six hundred seventy-one thousand".