826840206 has 48 divisors (see below), whose sum is σ = 1839545136. Its totient is φ = 268265088.

The previous prime is 826840193. The next prime is 826840207. The reversal of 826840206 is 602048628.

826840206 is nontrivially palindromic in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826840207) 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, 240556 + ... + 243968.

It is an arithmetic number, because the mean of its divisors is an integer number (38323857).

Almost surely, 2^826840206 is an apocalyptic number.

826840206 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

826840206 is an abundant number, since it is smaller than the sum of its proper divisors (1012704930).

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

826840206 is a wasteful number, since it uses less digits than its factorization.

826840206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777 (or 3774 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 826840206 is about 28754.8292639689. The cubic root of 826840206 is about 938.5855465960.

The spelling of 826840206 in words is "eight hundred twenty-six million, eight hundred forty thousand, two hundred six".