2983940393894 has 16 divisors (see below), whose sum is σ = 4522208157600. Its totient is φ = 1476538723584.

The previous prime is 2983940393869. The next prime is 2983940393921. The reversal of 2983940393894 is 4983930493892.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804087 + ... + 6297245.

It is an arithmetic number, because the mean of its divisors is an integer number (282638009850).

Almost surely, 2^{2983940393894} is an apocalyptic number.

2983940393894 is a deficient number, since it is larger than the sum of its proper divisors (1538267763706).

2983940393894 is a wasteful number, since it uses less digits than its factorization.

2983940393894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524447.

The product of its (nonzero) digits is 362797056, while the sum is 71.

The spelling of 2983940393894 in words is "two trillion, nine hundred eighty-three billion, nine hundred forty million, three hundred ninety-three thousand, eight hundred ninety-four".