6828849390 has 64 divisors (see below), whose sum is σ = 18182257920. Its totient is φ = 1627415040.

The previous prime is 6828849371. The next prime is 6828849397. The reversal of 6828849390 is 939488286.

It is a self number, because there is not a number n which added to its sum of digits gives 6828849390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828849397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155899 + ... + 194838.

It is an arithmetic number, because the mean of its divisors is an integer number (284097780).

Almost surely, 2^6828849390 is an apocalyptic number.

6828849390 is an abundant number, since it is smaller than the sum of its proper divisors (11353408530).

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

6828849390 is a wasteful number, since it uses less digits than its factorization.

6828849390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350817.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The square root of 6828849390 is about 82636.8524933035. The cubic root of 6828849390 is about 1897.2119209029.

The spelling of 6828849390 in words is "six billion, eight hundred twenty-eight million, eight hundred forty-nine thousand, three hundred ninety".