6938830 has 32 divisors (see below), whose sum is σ = 13141440. Its totient is φ = 2634240.

The previous prime is 6938821. The next prime is 6938837. The reversal of 6938830 is 388396.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6938830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938837) 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, 20422 + ... + 20758.

It is an arithmetic number, because the mean of its divisors is an integer number (410670).

Almost surely, 2^6938830 is an apocalyptic number.

6938830 is a deficient number, since it is larger than the sum of its proper divisors (6202610).

6938830 is a wasteful number, since it uses less digits than its factorization.

6938830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 6938830 is about 2634.1659021406. The cubic root of 6938830 is about 190.7342777537.

The spelling of 6938830 in words is "six million, nine hundred thirty-eight thousand, eight hundred thirty".