1994189316 has 48 divisors (see below), whose sum is σ = 5320318080. Its totient is φ = 569502720.

The previous prime is 1994189299. The next prime is 1994189339. The reversal of 1994189316 is 6139814991.

1994189316 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240276 + ... + 248436.

It is an arithmetic number, because the mean of its divisors is an integer number (110839960).

Almost surely, 2^1994189316 is an apocalyptic number.

It is an amenable number.

1994189316 is an abundant number, since it is smaller than the sum of its proper divisors (3326128764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1994189316 is a wasteful number, since it uses less digits than its factorization.

1994189316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084 (or 11082 counting only the distinct ones).

The product of its digits is 419904, while the sum is 51.

The square root of 1994189316 is about 44656.3468725331. The cubic root of 1994189316 is about 1258.6996991352.

The spelling of 1994189316 in words is "one billion, nine hundred ninety-four million, one hundred eighty-nine thousand, three hundred sixteen".