6930940 has 12 divisors (see below), whose sum is σ = 14555016. Its totient is φ = 2772368.

The previous prime is 6930929. The next prime is 6930947. The reversal of 6930940 is 490396.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173254 + ... + 173293.

It is an arithmetic number, because the mean of its divisors is an integer number (1212918).

Almost surely, 2^6930940 is an apocalyptic number.

It is an amenable number.

6930940 is an abundant number, since it is smaller than the sum of its proper divisors (7624076).

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

6930940 is a wasteful number, since it uses less digits than its factorization.

6930940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346556 (or 346554 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 6930940 is about 2632.6678484002. The cubic root of 6930940 is about 190.6619570019.

The spelling of 6930940 in words is "six million, nine hundred thirty thousand, nine hundred forty".