8208908946 has 36 divisors (see below), whose sum is σ = 20689803342. Its totient is φ = 2345402304.

The previous prime is 8208908927. The next prime is 8208908969. The reversal of 8208908946 is 6498098028.

It can be written as a sum of positive squares in only one way, i.e., 8135138025 + 73770921 = 90195^2 + 8589^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8208908892 and 8208908901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4652695 + ... + 4654458.

Almost surely, 2^8208908946 is an apocalyptic number.

8208908946 is an abundant number, since it is smaller than the sum of its proper divisors (12480894396).

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

8208908946 is a wasteful number, since it uses less digits than its factorization.

8208908946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9307175 (or 9307165 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 8208908946 is about 90603.0294526623. The cubic root of 8208908946 is about 2017.2597017135.

The spelling of 8208908946 in words is "eight billion, two hundred eight million, nine hundred eight thousand, nine hundred forty-six".