9981714 has 8 divisors (see below), whose sum is σ = 19963440. Its totient is φ = 3327236.

The previous prime is 9981691. The next prime is 9981731. The reversal of 9981714 is 4171899.

It is a happy number.

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

9981714 is an admirable number.

It is a super-2 number, since 2×9981714² = 199269228755592, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831804 + ... + 831815.

It is an arithmetic number, because the mean of its divisors is an integer number (2495430).

Almost surely, 2^9981714 is an apocalyptic number.

9981714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9981714 is a wasteful number, since it uses less digits than its factorization.

9981714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663624.

The product of its digits is 18144, while the sum is 39.

The square root of 9981714 is about 3159.3850667495. The cubic root of 9981714 is about 215.3120689021.

The spelling of 9981714 in words is "nine million, nine hundred eighty-one thousand, seven hundred fourteen".