6909424 has 20 divisors (see below), whose sum is σ = 13849560. Its totient is φ = 3335360.

The previous prime is 6909391. The next prime is 6909437. The reversal of 6909424 is 4249096.

6909424 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6909424.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 6982 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (692478).

Almost surely, 2^6909424 is an apocalyptic number.

It is an amenable number.

6909424 is an abundant number, since it is smaller than the sum of its proper divisors (6940136).

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

6909424 is a wasteful number, since it uses less digits than its factorization.

6909424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14928 (or 14922 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 6909424 is about 2628.5783229723. The cubic root of 6909424 is about 190.4644592616.

The spelling of 6909424 in words is "six million, nine hundred nine thousand, four hundred twenty-four".