9893245428 has 72 divisors (see below), whose sum is σ = 27300087360. Its totient is φ = 2995896960.

The previous prime is 9893245363. The next prime is 9893245447. The reversal of 9893245428 is 8245423989.

9893245428 is a `hidden beast` number, since 9 + 8 + 93 + 2 + 4 + 542 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629401 + ... + 644927.

It is an arithmetic number, because the mean of its divisors is an integer number (379167880).

Almost surely, 2^9893245428 is an apocalyptic number.

It is an amenable number.

9893245428 is an abundant number, since it is smaller than the sum of its proper divisors (17406841932).

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

9893245428 is a wasteful number, since it uses less digits than its factorization.

9893245428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157 (or 17152 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 9893245428 is about 99464.7949175989. The cubic root of 9893245428 is about 2146.7407207435.

The spelling of 9893245428 in words is "nine billion, eight hundred ninety-three million, two hundred forty-five thousand, four hundred twenty-eight".