9947814 has 16 divisors (see below), whose sum is σ = 19927728. Its totient is φ = 3310592.

The previous prime is 9947803. The next prime is 9947837. The reversal of 9947814 is 4187499.

It is a congruent number.

It is an unprimeable number.

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, 5014 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (1245483).

Almost surely, 2^9947814 is an apocalyptic number.

9947814 is an abundant number, since it is smaller than the sum of its proper divisors (9979914).

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

9947814 is a wasteful number, since it uses less digits than its factorization.

9947814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679.

The product of its digits is 72576, while the sum is 42.

The square root of 9947814 is about 3154.0155357893. The cubic root of 9947814 is about 215.0680440839.

The spelling of 9947814 in words is "nine million, nine hundred forty-seven thousand, eight hundred fourteen".