994494999 has 16 divisors (see below), whose sum is σ = 1431360000. Its totient is φ = 612301536.

The previous prime is 994494997. The next prime is 994495031. The reversal of 994494999 is 999494499.

It is not a de Polignac number, because 994494999 - 2¹ = 994494997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994494997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246499 + ... + 250500.

It is an arithmetic number, because the mean of its divisors is an integer number (89460000).

Almost surely, 2^994494999 is an apocalyptic number.

994494999 is a deficient number, since it is larger than the sum of its proper divisors (436865001).

994494999 is a wasteful number, since it uses less digits than its factorization.

994494999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497054.

The product of its digits is 34012224, while the sum is 66.

The square root of 994494999 is about 31535.6147712392. The cubic root of 994494999 is about 998.1616221044.

The spelling of 994494999 in words is "nine hundred ninety-four million, four hundred ninety-four thousand, nine hundred ninety-nine".