9846621860 has 12 divisors (see below), whose sum is σ = 20677905948. Its totient is φ = 3938648736.

The previous prime is 9846621847. The next prime is 9846621877. The reversal of 9846621860 is 681266489.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1141358656 + 8705263204 = 33784^2 + 93302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9846621799 and 9846621808.

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, 246165527 + ... + 246165566.

It is an arithmetic number, because the mean of its divisors is an integer number (1723158829).

Almost surely, 2^9846621860 is an apocalyptic number.

It is an amenable number.

9846621860 is an abundant number, since it is smaller than the sum of its proper divisors (10831284088).

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

9846621860 is a wasteful number, since it uses less digits than its factorization.

9846621860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492331102 (or 492331100 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 9846621860 is about 99230.1459235045. The cubic root of 9846621860 is about 2143.3631181865.

The spelling of 9846621860 in words is "nine billion, eight hundred forty-six million, six hundred twenty-one thousand, eight hundred sixty".