6928929 has 32 divisors (see below), whose sum is σ = 11943680. Its totient is φ = 3888000.

The previous prime is 6928921. The next prime is 6928949. The reversal of 6928929 is 9298296.

It is not a de Polignac number, because 6928929 - 2³ = 6928921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6928921) 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 31 ways as a sum of consecutive naturals, for example, 11229 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (373240).

Almost surely, 2^6928929 is an apocalyptic number.

It is an amenable number.

6928929 is a deficient number, since it is larger than the sum of its proper divisors (5014751).

6928929 is a wasteful number, since it uses less digits than its factorization.

6928929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 672 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 6928929 is about 2632.2858887287. The cubic root of 6928929 is about 190.6435151415.

The spelling of 6928929 in words is "six million, nine hundred twenty-eight thousand, nine hundred twenty-nine".