2786324638 has 8 divisors (see below), whose sum is σ = 4191532632. Its totient is φ = 1389147096.

The previous prime is 2786324623. The next prime is 2786324647. The reversal of 2786324638 is 8364236872.

It is a happy number.

2786324638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2786324591 and 2786324600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006745 + ... + 2008132.

It is an arithmetic number, because the mean of its divisors is an integer number (523941579).

Almost surely, 2^2786324638 is an apocalyptic number.

2786324638 is a deficient number, since it is larger than the sum of its proper divisors (1405207994).

2786324638 is a wasteful number, since it uses less digits than its factorization.

2786324638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015226.

The product of its digits is 2322432, while the sum is 49.

The square root of 2786324638 is about 52785.6480305016. The cubic root of 2786324638 is about 1407.1613728959.

The spelling of 2786324638 in words is "two billion, seven hundred eighty-six million, three hundred twenty-four thousand, six hundred thirty-eight".