6936820 has 24 divisors (see below), whose sum is σ = 15892128. Its totient is φ = 2522400.

The previous prime is 6936793. The next prime is 6936821. The reversal of 6936820 is 286396.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6936821) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15546 + ... + 15985.

It is an arithmetic number, because the mean of its divisors is an integer number (662172).

Almost surely, 2^6936820 is an apocalyptic number.

It is an amenable number.

6936820 is an abundant number, since it is smaller than the sum of its proper divisors (8955308).

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

6936820 is a wasteful number, since it uses less digits than its factorization.

6936820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31551 (or 31549 counting only the distinct ones).

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

The square root of 6936820 is about 2633.7843495624. The cubic root of 6936820 is about 190.7158590423.

The spelling of 6936820 in words is "six million, nine hundred thirty-six thousand, eight hundred twenty".