994388630 has 8 divisors (see below), whose sum is σ = 1789899552. Its totient is φ = 397755448.

The previous prime is 994388623. The next prime is 994388639. The reversal of 994388630 is 36883499.

994388630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×994388630³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994388639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49719422 + ... + 49719441.

It is an arithmetic number, because the mean of its divisors is an integer number (223737444).

Almost surely, 2^994388630 is an apocalyptic number.

994388630 is a deficient number, since it is larger than the sum of its proper divisors (795510922).

994388630 is a wasteful number, since it uses less digits than its factorization.

994388630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99438870.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 994388630 is about 31533.9282361079. The cubic root of 994388630 is about 998.1260337776.

The spelling of 994388630 in words is "nine hundred ninety-four million, three hundred eighty-eight thousand, six hundred thirty".