2840727898 has 8 divisors (see below), whose sum is σ = 4264937460. Its totient is φ = 1419082080.

The previous prime is 2840727889. The next prime is 2840727917. The reversal of 2840727898 is 8987270482.

It can be written as a sum of positive squares in 2 ways, for example, as 2838438729 + 2289169 = 53277^2 + 1513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 638163 + ... + 642598.

Almost surely, 2^2840727898 is an apocalyptic number.

2840727898 is a deficient number, since it is larger than the sum of its proper divisors (1424209562).

2840727898 is a wasteful number, since it uses less digits than its factorization.

2840727898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281872.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The square root of 2840727898 is about 53298.4793216467. The cubic root of 2840727898 is about 1416.2607264187.

The spelling of 2840727898 in words is "two billion, eight hundred forty million, seven hundred twenty-seven thousand, eight hundred ninety-eight".