943009994 has 8 divisors (see below), whose sum is σ = 1463291460. Its totient is φ = 455246176.

The previous prime is 943009993. The next prime is 943009999. The reversal of 943009994 is 499900349.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 927994369 + 15015625 = 30463^2 + 3875^2 .

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 (943009993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8129339 + ... + 8129454.

Almost surely, 2^943009994 is an apocalyptic number.

943009994 is a deficient number, since it is larger than the sum of its proper divisors (520281466).

943009994 is a wasteful number, since it uses less digits than its factorization.

943009994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16258824.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 943009994 is about 30708.4677898458. The cubic root of 943009994 is about 980.6305791742.

The spelling of 943009994 in words is "nine hundred forty-three million, nine thousand, nine hundred ninety-four".