6699371 has 8 divisors (see below), whose sum is σ = 7989504. Its totient is φ = 5492520.

The previous prime is 6699367. The next prime is 6699389. The reversal of 6699371 is 1739966.

It is a happy number.

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 6699371 - 2² = 6699367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6699311) 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, 20645 + ... + 20966.

It is an arithmetic number, because the mean of its divisors is an integer number (998688).

Almost surely, 2^6699371 is an apocalyptic number.

6699371 is a deficient number, since it is larger than the sum of its proper divisors (1290133).

6699371 is a wasteful number, since it uses less digits than its factorization.

6699371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41641.

The product of its digits is 61236, while the sum is 41.

The square root of 6699371 is about 2588.3143163070. The cubic root of 6699371 is about 188.5144634494.

The spelling of 6699371 in words is "six million, six hundred ninety-nine thousand, three hundred seventy-one".