6928220 has 24 divisors (see below), whose sum is σ = 15669024. Its totient is φ = 2558016.

The previous prime is 6928219. The next prime is 6928237. The reversal of 6928220 is 228296.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13064 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (652876).

Almost surely, 2^6928220 is an apocalyptic number.

It is an amenable number.

6928220 is an abundant number, since it is smaller than the sum of its proper divisors (8740804).

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

6928220 is a wasteful number, since it uses less digits than its factorization.

6928220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26669 (or 26667 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6928220 is about 2632.1512114618. The cubic root of 6928220 is about 190.6370124115.

The spelling of 6928220 in words is "six million, nine hundred twenty-eight thousand, two hundred twenty".