2684838855 has 32 divisors (see below), whose sum is σ = 4442019840. Its totient is φ = 1383315840.

The previous prime is 2684838853. The next prime is 2684838889. The reversal of 2684838855 is 5588384862.

It is not a de Polignac number, because 2684838855 - 2¹ = 2684838853 is a prime.

It is a super-2 number, since 2×2684838855² = 14416719354635422050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2684838795 and 2684838804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684838853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280336 + ... + 289754.

It is an arithmetic number, because the mean of its divisors is an integer number (138813120).

Almost surely, 2^2684838855 is an apocalyptic number.

2684838855 is a deficient number, since it is larger than the sum of its proper divisors (1757180985).

2684838855 is a wasteful number, since it uses less digits than its factorization.

2684838855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071.

The product of its digits is 14745600, while the sum is 57.

The square root of 2684838855 is about 51815.4306650056. The cubic root of 2684838855 is about 1389.8653933451.

It can be divided in two parts, 26848 and 38855, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 2684838855 in words is "two billion, six hundred eighty-four million, eight hundred thirty-eight thousand, eight hundred fifty-five".