6868621 has 8 divisors (see below), whose sum is σ = 7142400. Its totient is φ = 6597360.

The previous prime is 6868613. The next prime is 6868649. The reversal of 6868621 is 1268686.

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 6868621 - 2³ = 6868613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868681) 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, 6436 + ... + 7426.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^6868621 is an apocalyptic number.

It is an amenable number.

6868621 is a deficient number, since it is larger than the sum of its proper divisors (273779).

6868621 is a wasteful number, since it uses less digits than its factorization.

6868621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259.

The product of its digits is 27648, while the sum is 37.

The square root of 6868621 is about 2620.8054105561. The cubic root of 6868621 is about 190.0887950609.

The spelling of 6868621 in words is "six million, eight hundred sixty-eight thousand, six hundred twenty-one".