9794288538 has 24 divisors (see below), whose sum is σ = 21361500576. Its totient is φ = 3243141000.

The previous prime is 9794288503. The next prime is 9794288599. The reversal of 9794288538 is 8358824979.

9794288538 is a `hidden beast` number, since 9 + 7 + 94 + 2 + 8 + 8 + 538 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1799028 + ... + 1804463.

It is an arithmetic number, because the mean of its divisors is an integer number (890062524).

Almost surely, 2^9794288538 is an apocalyptic number.

9794288538 is an abundant number, since it is smaller than the sum of its proper divisors (11567212038).

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

9794288538 is a wasteful number, since it uses less digits than its factorization.

9794288538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603650 (or 3603647 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The square root of 9794288538 is about 98966.0979224704. The cubic root of 9794288538 is about 2139.5591529379.

The spelling of 9794288538 in words is "nine billion, seven hundred ninety-four million, two hundred eighty-eight thousand, five hundred thirty-eight".