9613640 has 16 divisors (see below), whose sum is σ = 21630780. Its totient is φ = 3845440.

The previous prime is 9613633. The next prime is 9613663. The reversal of 9613640 is 463169.

It can be written as a sum of positive squares in 2 ways, for example, as 9572836 + 40804 = 3094^2 + 202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120131 + ... + 120210.

Almost surely, 2^9613640 is an apocalyptic number.

It is an amenable number.

9613640 is an abundant number, since it is smaller than the sum of its proper divisors (12017140).

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

9613640 is a wasteful number, since it uses less digits than its factorization.

9613640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240352 (or 240348 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9613640 is about 3100.5870411907. The cubic root of 9613640 is about 212.6323235828.

The spelling of 9613640 in words is "nine million, six hundred thirteen thousand, six hundred forty".