994986747 has 20 divisors (see below), whose sum is σ = 1493408136. Its totient is φ = 660169440.

The previous prime is 994986743. The next prime is 994986763. The reversal of 994986747 is 747689499.

It is not a de Polignac number, because 994986747 - 2² = 994986743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994986743) 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 19 ways as a sum of consecutive naturals, for example, 12018 + ... + 46199.

Almost surely, 2^994986747 is an apocalyptic number.

994986747 is a deficient number, since it is larger than the sum of its proper divisors (498421389).

994986747 is a wasteful number, since it uses less digits than its factorization.

994986747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58440 (or 58431 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 994986747 is about 31543.4105163028. The cubic root of 994986747 is about 998.3261153402.

The spelling of 994986747 in words is "nine hundred ninety-four million, nine hundred eighty-six thousand, seven hundred forty-seven".