9804387445 has 8 divisors (see below), whose sum is σ = 12276798336. Its totient is φ = 7502487696.

The previous prime is 9804387431. The next prime is 9804387487. The reversal of 9804387445 is 5447834089.

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 9804387445 - 2⁵ = 9804387413 is a prime.

It is a super-2 number, since 2×9804387445² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9804387392 and 9804387401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42627657 + ... + 42627886.

It is an arithmetic number, because the mean of its divisors is an integer number (1534599792).

Almost surely, 2^9804387445 is an apocalyptic number.

It is an amenable number.

9804387445 is a deficient number, since it is larger than the sum of its proper divisors (2472410891).

9804387445 is a wasteful number, since it uses less digits than its factorization.

9804387445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85255571.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 9804387445 is about 99017.1068300826. The cubic root of 9804387445 is about 2140.2942679887.

The spelling of 9804387445 in words is "nine billion, eight hundred four million, three hundred eighty-seven thousand, four hundred forty-five".