1994308994 has 8 divisors (see below), whose sum is σ = 2995626240. Its totient is φ = 995766916.

The previous prime is 1994308993. The next prime is 1994309041. The reversal of 1994308994 is 4998034991.

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

It is not an unprimeable number, because it can be changed into a prime (1994308993) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 691994 + ... + 694869.

It is an arithmetic number, because the mean of its divisors is an integer number (374453280).

Almost surely, 2^1994308994 is an apocalyptic number.

1994308994 is a deficient number, since it is larger than the sum of its proper divisors (1001317246).

1994308994 is a wasteful number, since it uses less digits than its factorization.

1994308994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387584.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 1994308994 is about 44657.6868411251. The cubic root of 1994308994 is about 1258.7248782307.

The spelling of 1994308994 in words is "one billion, nine hundred ninety-four million, three hundred eight thousand, nine hundred ninety-four".