6938664 has 16 divisors (see below), whose sum is σ = 17346720. Its totient is φ = 2312880.

The previous prime is 6938653. The next prime is 6938671. The reversal of 6938664 is 4668396.

It is a d-powerful number, because it can be written as 6 + 9 + 3¹⁴ + 8⁷ + 6⁵ + 6⁶ + 4⁶ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144532 + ... + 144579.

It is an arithmetic number, because the mean of its divisors is an integer number (1084170).

Almost surely, 2^6938664 is an apocalyptic number.

It is an amenable number.

6938664 is an abundant number, since it is smaller than the sum of its proper divisors (10408056).

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

6938664 is a wasteful number, since it uses less digits than its factorization.

6938664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289120 (or 289116 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 6938664 is about 2634.1343929268. The cubic root of 6938664 is about 190.7327567412.

The spelling of 6938664 in words is "six million, nine hundred thirty-eight thousand, six hundred sixty-four".