825798906 has 24 divisors (see below), whose sum is σ = 1793753364. Its totient is φ = 274570560.

The previous prime is 825798901. The next prime is 825798937. The reversal of 825798906 is 609897528.

It is a happy number.

825798906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 786297681 + 39501225 = 28041^2 + 6285^2 .

It is not an unprimeable number, because it can be changed into a prime (825798901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50635 + ... + 64926.

Almost surely, 2^825798906 is an apocalyptic number.

825798906 is an abundant number, since it is smaller than the sum of its proper divisors (967954458).

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

825798906 is a wasteful number, since it uses less digits than its factorization.

825798906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115966 (or 115963 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 825798906 is about 28736.7170358759. The cubic root of 825798906 is about 938.1913714006.

The spelling of 825798906 in words is "eight hundred twenty-five million, seven hundred ninety-eight thousand, nine hundred six".