6981828 has 24 divisors (see below), whose sum is σ = 18618432. Its totient is φ = 1994784.

The previous prime is 6981823. The next prime is 6981829. The reversal of 6981828 is 8281896.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 6981828.

It is not an unprimeable number, because it can be changed into a prime (6981823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41475 + ... + 41642.

It is an arithmetic number, because the mean of its divisors is an integer number (775768).

Almost surely, 2^6981828 is an apocalyptic number.

It is an amenable number.

6981828 is an abundant number, since it is smaller than the sum of its proper divisors (11636604).

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

6981828 is a wasteful number, since it uses less digits than its factorization.

6981828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83131 (or 83129 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 6981828 is about 2642.3148941790. The cubic root of 6981828 is about 191.1274425180.

The spelling of 6981828 in words is "six million, nine hundred eighty-one thousand, eight hundred twenty-eight".