6828390 has 48 divisors (see below), whose sum is σ = 18802368. Its totient is φ = 1713408.

The previous prime is 6828389. The next prime is 6828397. The reversal of 6828390 is 938286.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (391716).

Almost surely, 2^6828390 is an apocalyptic number.

6828390 is an abundant number, since it is smaller than the sum of its proper divisors (11973978).

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

6828390 is a wasteful number, since it uses less digits than its factorization.

6828390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4490 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6828390 is about 2613.1188262304. The cubic root of 6828390 is about 189.7169376902.

The spelling of 6828390 in words is "six million, eight hundred twenty-eight thousand, three hundred ninety".