9693640 has 32 divisors (see below), whose sum is σ = 23794560. Its totient is φ = 3524800.

The previous prime is 9693637. The next prime is 9693659. The reversal of 9693640 is 463969.

9693640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9693640.

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, 10576 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (743580).

Almost surely, 2^9693640 is an apocalyptic number.

It is an amenable number.

9693640 is an abundant number, since it is smaller than the sum of its proper divisors (14100920).

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

9693640 is a wasteful number, since it uses less digits than its factorization.

9693640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053 (or 22049 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 9693640 is about 3113.4610965933. The cubic root of 9693640 is about 213.2205024008.

The spelling of 9693640 in words is "nine million, six hundred ninety-three thousand, six hundred forty".