9457664 has 26 divisors (see below), whose sum is σ = 18921210. Its totient is φ = 4726784.

The previous prime is 9457631. The next prime is 9457673. The reversal of 9457664 is 4667549.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 409600 = 3008^2 + 640^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2942 + ... + 5250.

Almost surely, 2^9457664 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 9457664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9460605).

9457664 is an abundant number, since it is smaller than the sum of its proper divisors (9463546).

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

9457664 is an equidigital number, since it uses as much as digits as its factorization.

9457664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2311 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 9457664 is about 3075.3315268439. The cubic root of 9457664 is about 211.4761004838.

The spelling of 9457664 in words is "nine million, four hundred fifty-seven thousand, six hundred sixty-four".