6938790 has 16 divisors (see below), whose sum is σ = 16653168. Its totient is φ = 1850336.

The previous prime is 6938783. The next prime is 6938791. The reversal of 6938790 is 978396.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6938791) 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, 115617 + ... + 115676.

It is an arithmetic number, because the mean of its divisors is an integer number (1040823).

Almost surely, 2^6938790 is an apocalyptic number.

6938790 is an abundant number, since it is smaller than the sum of its proper divisors (9714378).

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

6938790 is a wasteful number, since it uses less digits than its factorization.

6938790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231303.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 6938790 is about 2634.1583095934. The cubic root of 6938790 is about 190.7339112469.

The spelling of 6938790 in words is "six million, nine hundred thirty-eight thousand, seven hundred ninety".