9421916 has 36 divisors (see below), whose sum is σ = 19563768. Its totient is φ = 3957408.

The previous prime is 9421903. The next prime is 9421921. The reversal of 9421916 is 6191249.

9421916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9421916² = 177545002222112, which contains 22 as substring.

It is a congruent number.

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, 9935 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (543438).

Almost surely, 2^9421916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9421916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9781884).

9421916 is an abundant number, since it is smaller than the sum of its proper divisors (10141852).

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

9421916 is a wasteful number, since it uses less digits than its factorization.

9421916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 969 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 9421916 is about 3069.5139680412. The cubic root of 9421916 is about 211.2093188706.

The spelling of 9421916 in words is "nine million, four hundred twenty-one thousand, nine hundred sixteen".