2808291834 has 12 divisors (see below), whose sum is σ = 6084632346. Its totient is φ = 936097272.

The previous prime is 2808291833. The next prime is 2808291847. The reversal of 2808291834 is 4381928082.

2808291834 is a `hidden beast` number, since 280 + 8 + 291 + 83 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2190520809 + 617771025 = 46803^2 + 24855^2 .

It is a super-2 number, since 2×2808291834² = 15773006049822167112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2808291834.

It is not an unprimeable number, because it can be changed into a prime (2808291833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78008089 + ... + 78008124.

Almost surely, 2^2808291834 is an apocalyptic number.

2808291834 is an abundant number, since it is smaller than the sum of its proper divisors (3276340512).

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

2808291834 is a wasteful number, since it uses less digits than its factorization.

2808291834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156016221 (or 156016218 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 2808291834 is about 52993.3187675579. The cubic root of 2808291834 is about 1410.8496855410.

The spelling of 2808291834 in words is "two billion, eight hundred eight million, two hundred ninety-one thousand, eight hundred thirty-four".