9947916 has 36 divisors (see below), whose sum is σ = 27433224. Its totient is φ = 3014400.

The previous prime is 9947867. The next prime is 9947923. The reversal of 9947916 is 6197499.

9947916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×9947916² = 197922065486112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12165 + ... + 12956.

It is an arithmetic number, because the mean of its divisors is an integer number (762034).

Almost surely, 2^9947916 is an apocalyptic number.

It is an amenable number.

9947916 is an abundant number, since it is smaller than the sum of its proper divisors (17485308).

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

9947916 is a wasteful number, since it uses less digits than its factorization.

9947916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25142 (or 25137 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 9947916 is about 3154.0317056111. The cubic root of 9947916 is about 215.0687791488.

It can be divided in two parts, 99 and 47916, that multiplied together give a square (4743684 = 2178²).

The spelling of 9947916 in words is "nine million, nine hundred forty-seven thousand, nine hundred sixteen".