2783916938 has 16 divisors (see below), whose sum is σ = 4593153600. Its totient is φ = 1265415580.

The previous prime is 2783916937. The next prime is 2783916953. The reversal of 2783916938 is 8396193872.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2783916931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520238 + ... + 525561.

It is an arithmetic number, because the mean of its divisors is an integer number (287072100).

Almost surely, 2^2783916938 is an apocalyptic number.

2783916938 is a deficient number, since it is larger than the sum of its proper divisors (1809236662).

2783916938 is a wasteful number, since it uses less digits than its factorization.

2783916938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045834 (or 1045812 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 2783916938 is about 52762.8367129744. The cubic root of 2783916938 is about 1406.7559405044.

The spelling of 2783916938 in words is "two billion, seven hundred eighty-three million, nine hundred sixteen thousand, nine hundred thirty-eight".