2834864638 has 16 divisors (see below), whose sum is σ = 4505754240. Its totient is φ = 1333935000.

The previous prime is 2834864623. The next prime is 2834864647. The reversal of 2834864638 is 8364684382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241288 + ... + 252763.

It is an arithmetic number, because the mean of its divisors is an integer number (281609640).

Almost surely, 2^2834864638 is an apocalyptic number.

2834864638 is a deficient number, since it is larger than the sum of its proper divisors (1670889602).

2834864638 is a wasteful number, since it uses less digits than its factorization.

2834864638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494223.

The product of its digits is 5308416, while the sum is 52.

The square root of 2834864638 is about 53243.4469019428. The cubic root of 2834864638 is about 1415.2856682870.

The spelling of 2834864638 in words is "two billion, eight hundred thirty-four million, eight hundred sixty-four thousand, six hundred thirty-eight".