6668893 has 16 divisors (see below), whose sum is σ = 8371584. Its totient is φ = 5160960.

The previous prime is 6668887. The next prime is 6668899. The reversal of 6668893 is 3988666.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6668887) and next prime (6668899).

It is not a de Polignac number, because 6668893 - 2⁵ = 6668861 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 (6668899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19621 + ... + 19957.

It is an arithmetic number, because the mean of its divisors is an integer number (523224).

Almost surely, 2^6668893 is an apocalyptic number.

It is an amenable number.

6668893 is a deficient number, since it is larger than the sum of its proper divisors (1702691).

6668893 is a wasteful number, since it uses less digits than its factorization.

6668893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 373248, while the sum is 46.

The square root of 6668893 is about 2582.4199890800. The cubic root of 6668893 is about 188.2281540433.

It can be divided in two parts, 666 and 8893, that added together give a palindrome (9559).

The spelling of 6668893 in words is "six million, six hundred sixty-eight thousand, eight hundred ninety-three".