6930920 has 16 divisors (see below), whose sum is σ = 15594660. Its totient is φ = 2772352.

The previous prime is 6930857. The next prime is 6930929. The reversal of 6930920 is 290396.

It can be written as a sum of positive squares in 2 ways, for example, as 6666724 + 264196 = 2582^2 + 514^2 .

It is not an unprimeable number, because it can be changed into a prime (6930929) 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 3 ways as a sum of consecutive naturals, for example, 86597 + ... + 86676.

Almost surely, 2^6930920 is an apocalyptic number.

It is an amenable number.

6930920 is an abundant number, since it is smaller than the sum of its proper divisors (8663740).

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

6930920 is a wasteful number, since it uses less digits than its factorization.

6930920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173284 (or 173280 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 6930920 is about 2632.6640499692. The cubic root of 6930920 is about 190.6617736096.

The spelling of 6930920 in words is "six million, nine hundred thirty thousand, nine hundred twenty".