6853021 has 8 divisors (see below), whose sum is σ = 7939904. Its totient is φ = 5793120.

The previous prime is 6853001. The next prime is 6853031. The reversal of 6853021 is 1203586.

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 6853021 - 2¹⁹ = 6328733 is a prime.

6853021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6853001) 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 7 ways as a sum of consecutive naturals, for example, 6195 + ... + 7216.

It is an arithmetic number, because the mean of its divisors is an integer number (992488).

Almost surely, 2^6853021 is an apocalyptic number.

It is an amenable number.

6853021 is a deficient number, since it is larger than the sum of its proper divisors (1086883).

6853021 is a wasteful number, since it uses less digits than its factorization.

6853021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 6853021 is about 2617.8275344262. The cubic root of 6853021 is about 189.9447761944.

The spelling of 6853021 in words is "six million, eight hundred fifty-three thousand, twenty-one".