9746146820 has 12 divisors (see below), whose sum is σ = 20466908364. Its totient is φ = 3898458720.

The previous prime is 9746146807. The next prime is 9746146847. The reversal of 9746146820 is 286416479.

It can be written as a sum of positive squares in 2 ways, for example, as 1431260224 + 8314886596 = 37832^2 + 91186^2 .

It is a super-2 number, since 2×9746146820² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243653651 + ... + 243653690.

It is an arithmetic number, because the mean of its divisors is an integer number (1705575697).

Almost surely, 2^9746146820 is an apocalyptic number.

It is an amenable number.

9746146820 is an abundant number, since it is smaller than the sum of its proper divisors (10720761544).

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

9746146820 is a wasteful number, since it uses less digits than its factorization.

9746146820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487307350 (or 487307348 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 9746146820 is about 98722.5750271943. The cubic root of 9746146820 is about 2136.0478794436.

The spelling of 9746146820 in words is "nine billion, seven hundred forty-six million, one hundred forty-six thousand, eight hundred twenty".