6928816 has 10 divisors (see below), whose sum is σ = 13424612. Its totient is φ = 3464400.

The previous prime is 6928813. The next prime is 6928829. The reversal of 6928816 is 6188296.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6928811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216510 + ... + 216541.

Almost surely, 2^6928816 is an apocalyptic number.

It is an amenable number.

6928816 is a deficient number, since it is larger than the sum of its proper divisors (6495796).

6928816 is a wasteful number, since it uses less digits than its factorization.

6928816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433059 (or 433053 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 6928816 is about 2632.2644244072. The cubic root of 6928816 is about 190.6424787699.

It can be divided in two parts, 692881 and 6, that multiplied together give a triangular number (4157286 = T₂₈₈₃).

The spelling of 6928816 in words is "six million, nine hundred twenty-eight thousand, eight hundred sixteen".