994995866 has 16 divisors (see below), whose sum is σ = 1512000000. Its totient is φ = 491008128.

The previous prime is 994995863. The next prime is 994995899. The reversal of 994995866 is 668599499.

It is not an unprimeable number, because it can be changed into a prime (994995863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204935 + ... + 209733.

It is an arithmetic number, because the mean of its divisors is an integer number (94500000).

Almost surely, 2^994995866 is an apocalyptic number.

994995866 is a deficient number, since it is larger than the sum of its proper divisors (517004134).

994995866 is a wasteful number, since it uses less digits than its factorization.

994995866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133.

The product of its digits is 37791360, while the sum is 65.

The square root of 994995866 is about 31543.5550628017. Note that the first 3 decimals coincide. The cubic root of 994995866 is about 998.3291651992.

The spelling of 994995866 in words is "nine hundred ninety-four million, nine hundred ninety-five thousand, eight hundred sixty-six".