6887930 has 24 divisors (see below), whose sum is σ = 14423508. Its totient is φ = 2361408.

The previous prime is 6887929. The next prime is 6887953. The reversal of 6887930 is 397886.

It can be written as a sum of positive squares in 2 ways, for example, as 5968249 + 919681 = 2443^2 + 959^2 .

It is an Ulam number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6539 + ... + 7518.

Almost surely, 2^6887930 is an apocalyptic number.

6887930 is an abundant number, since it is smaller than the sum of its proper divisors (7535578).

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

6887930 is a wasteful number, since it uses less digits than its factorization.

6887930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14078 (or 14071 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6887930 is about 2624.4866164643. The cubic root of 6887930 is about 190.2667536587.

The spelling of 6887930 in words is "six million, eight hundred eighty-seven thousand, nine hundred thirty".