9840689432 has 16 divisors (see below), whose sum is σ = 21087191760. Its totient is φ = 4217438304.

The previous prime is 9840689429. The next prime is 9840689459. The reversal of 9840689432 is 2349860489.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87863243 + ... + 87863354.

It is an arithmetic number, because the mean of its divisors is an integer number (1317949485).

Almost surely, 2^9840689432 is an apocalyptic number.

It is an amenable number.

9840689432 is an abundant number, since it is smaller than the sum of its proper divisors (11246502328).

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

9840689432 is a wasteful number, since it uses less digits than its factorization.

9840689432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175726610 (or 175726606 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 9840689432 is about 99200.2491529129. The cubic root of 9840689432 is about 2142.9325846828.

The spelling of 9840689432 in words is "nine billion, eight hundred forty million, six hundred eighty-nine thousand, four hundred thirty-two".