9893540 has 12 divisors (see below), whose sum is σ = 20776476. Its totient is φ = 3957408.

The previous prime is 9893539. The next prime is 9893573. The reversal of 9893540 is 453989.

It can be written as a sum of positive squares in 2 ways, for example, as 5262436 + 4631104 = 2294^2 + 2152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9893494 and 9893503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247319 + ... + 247358.

It is an arithmetic number, because the mean of its divisors is an integer number (1731373).

Almost surely, 2^9893540 is an apocalyptic number.

It is an amenable number.

9893540 is an abundant number, since it is smaller than the sum of its proper divisors (10882936).

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

9893540 is a wasteful number, since it uses less digits than its factorization.

9893540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494686 (or 494684 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 9893540 is about 3145.3998156037. The cubic root of 9893540 is about 214.6762026978.

The spelling of 9893540 in words is "nine million, eight hundred ninety-three thousand, five hundred forty".