9380640 has 48 divisors (see below), whose sum is σ = 29550528. Its totient is φ = 2501376.

The previous prime is 9380639. The next prime is 9380653. The reversal of 9380640 is 460839.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9380598 and 9380607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9292 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (615636).

Almost surely, 2^9380640 is an apocalyptic number.

It is an amenable number.

9380640 is an abundant number, since it is smaller than the sum of its proper divisors (20169888).

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

9380640 is a wasteful number, since it uses less digits than its factorization.

9380640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19561 (or 19553 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9380640 is about 3062.7830481443. The cubic root of 9380640 is about 210.9004419399.

The spelling of 9380640 in words is "nine million, three hundred eighty thousand, six hundred forty".