9809231896 has 16 divisors (see below), whose sum is σ = 18820038600. Its totient is φ = 4790554944.

The previous prime is 9809231857. The next prime is 9809231903. The reversal of 9809231896 is 6981329089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14257261 + ... + 14257948.

Almost surely, 2^9809231896 is an apocalyptic number.

It is an amenable number.

9809231896 is a deficient number, since it is larger than the sum of its proper divisors (9010806704).

9809231896 is a wasteful number, since it uses less digits than its factorization.

9809231896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515258 (or 28515254 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 9809231896 is about 99041.5665061897. The cubic root of 9809231896 is about 2140.6467239171.

The spelling of 9809231896 in words is "nine billion, eight hundred nine million, two hundred thirty-one thousand, eight hundred ninety-six".