999981714 has 16 divisors (see below), whose sum is σ = 2000275200. Its totient is φ = 333275280.

The previous prime is 999981713. The next prime is 999981739. The reversal of 999981714 is 417189999.

It is not an unprimeable number, because it can be changed into a prime (999981713) 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, 62079 + ... + 76509.

It is an arithmetic number, because the mean of its divisors is an integer number (125017200).

Almost surely, 2^999981714 is an apocalyptic number.

999981714 is an abundant number, since it is smaller than the sum of its proper divisors (1000293486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999981714 is a wasteful number, since it uses less digits than its factorization.

999981714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25985.

The product of its digits is 1469664, while the sum is 57.

The square root of 999981714 is about 31622.4874733156. The cubic root of 999981714 is about 999.9939046295.

The spelling of 999981714 in words is "nine hundred ninety-nine million, nine hundred eighty-one thousand, seven hundred fourteen".