9804490871 has 8 divisors (see below), whose sum is σ = 11220942240. Its totient is φ = 8391991968.

The previous prime is 9804490837. The next prime is 9804490873. The reversal of 9804490871 is 1780944089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9804490871 - 2²² = 9800296567 is a prime.

It is a super-2 number, since 2×9804490871² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9804490873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982796 + ... + 992721.

It is an arithmetic number, because the mean of its divisors is an integer number (1402617780).

Almost surely, 2^9804490871 is an apocalyptic number.

9804490871 is a deficient number, since it is larger than the sum of its proper divisors (1416451369).

9804490871 is a wasteful number, since it uses less digits than its factorization.

9804490871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976233.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 9804490871 is about 99017.6290919955. The cubic root of 9804490871 is about 2140.3017939152.

The spelling of 9804490871 in words is "nine billion, eight hundred four million, four hundred ninety thousand, eight hundred seventy-one".