9409816 has 32 divisors (see below), whose sum is σ = 19146960. Its totient is φ = 4309632.

The previous prime is 9409801. The next prime is 9409837. The reversal of 9409816 is 6189049.

9409816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17731 + ... + 18253.

Almost surely, 2^9409816 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 9409816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9573480).

9409816 is an abundant number, since it is smaller than the sum of its proper divisors (9737144).

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

9409816 is a wasteful number, since it uses less digits than its factorization.

9409816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9409816 is about 3067.5423387461. The cubic root of 9409816 is about 211.1188656637.

The spelling of 9409816 in words is "nine million, four hundred nine thousand, eight hundred sixteen".