994666499 has 8 divisors (see below), whose sum is σ = 1016271360. Its totient is φ = 973080136.

The previous prime is 994666493. The next prime is 994666501.

It is a happy number.

994666499 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 994666499 - 2²⁸ = 726231043 is a prime.

It is a super-2 number, since 2×994666499² = 1978722888465834002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994666493) 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 7 ways as a sum of consecutive naturals, for example, 210242 + ... + 214920.

It is an arithmetic number, because the mean of its divisors is an integer number (127033920).

Almost surely, 2^994666499 is an apocalyptic number.

994666499 is a deficient number, since it is larger than the sum of its proper divisors (21604861).

994666499 is a wasteful number, since it uses less digits than its factorization.

994666499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249.

The product of its digits is 22674816, while the sum is 62.

The square root of 994666499 is about 31538.3338018989. Note that the first 3 decimals coincide. The cubic root of 994666499 is about 998.2189962420.

The spelling of 994666499 in words is "nine hundred ninety-four million, six hundred sixty-six thousand, four hundred ninety-nine".