8906721324 has 12 divisors (see below), whose sum is σ = 20782349784. Its totient is φ = 2968907104.

The previous prime is 8906721287. The next prime is 8906721377. The reversal of 8906721324 is 4231276098.

It is a tau number, because it is divible by the number of its divisors (12).

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, 371113377 + ... + 371113400.

It is an arithmetic number, because the mean of its divisors is an integer number (1731862482).

Almost surely, 2^8906721324 is an apocalyptic number.

It is an amenable number.

8906721324 is an abundant number, since it is smaller than the sum of its proper divisors (11875628460).

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

8906721324 is a wasteful number, since it uses less digits than its factorization.

8906721324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742226784 (or 742226782 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 8906721324 is about 94375.4275434024. The cubic root of 8906721324 is about 2072.8726500533.

The spelling of 8906721324 in words is "eight billion, nine hundred six million, seven hundred twenty-one thousand, three hundred twenty-four".