6820912 has 20 divisors (see below), whose sum is σ = 15103696. Its totient is φ = 2923200.

The previous prime is 6820909. The next prime is 6820921. The reversal of 6820912 is 2190286.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30339 + ... + 30562.

Almost surely, 2^6820912 is an apocalyptic number.

It is an amenable number.

6820912 is an abundant number, since it is smaller than the sum of its proper divisors (8282784).

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

6820912 is a wasteful number, since it uses less digits than its factorization.

6820912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60916 (or 60910 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6820912 is about 2611.6875770275. The cubic root of 6820912 is about 189.6476572563.

The spelling of 6820912 in words is "six million, eight hundred twenty thousand, nine hundred twelve".