2805982394 has 16 divisors (see below), whose sum is σ = 4325929728. Its totient is φ = 1364062032.

The previous prime is 2805982381. The next prime is 2805982423. The reversal of 2805982394 is 4932895082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91979 + ... + 118625.

It is an arithmetic number, because the mean of its divisors is an integer number (270370608).

Almost surely, 2^2805982394 is an apocalyptic number.

2805982394 is a deficient number, since it is larger than the sum of its proper divisors (1519947334).

2805982394 is a wasteful number, since it uses less digits than its factorization.

2805982394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28109.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 2805982394 is about 52971.5243692307. The cubic root of 2805982394 is about 1410.4628351635.

The spelling of 2805982394 in words is "two billion, eight hundred five million, nine hundred eighty-two thousand, three hundred ninety-four".