9264640 has 160 divisors (see below), whose sum is σ = 28283904. Its totient is φ = 2826240.

The previous prime is 9264631. The next prime is 9264667. The reversal of 9264640 is 464629.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197097 + ... + 197143.

Almost surely, 2^9264640 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 9264640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14141952).

9264640 is an abundant number, since it is smaller than the sum of its proper divisors (19019264).

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

9264640 is a wasteful number, since it uses less digits than its factorization.

9264640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 9264640 is about 3043.7871147634. The cubic root of 9264640 is about 210.0275096236.

The spelling of 9264640 in words is "nine million, two hundred sixty-four thousand, six hundred forty".