8389045460 has 12 divisors (see below), whose sum is σ = 17616995508. Its totient is φ = 3355618176.

The previous prime is 8389045451. The next prime is 8389045493. The reversal of 8389045460 is 645409838.

It can be written as a sum of positive squares in 2 ways, for example, as 3710759056 + 4678286404 = 60916^2 + 68398^2 .

It is a super-2 number, since 2×8389045460² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 209726117 + ... + 209726156.

It is an arithmetic number, because the mean of its divisors is an integer number (1468082959).

Almost surely, 2^8389045460 is an apocalyptic number.

It is an amenable number.

8389045460 is an abundant number, since it is smaller than the sum of its proper divisors (9227950048).

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

8389045460 is a wasteful number, since it uses less digits than its factorization.

8389045460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419452282 (or 419452280 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 8389045460 is about 91591.7324871628. The cubic root of 8389045460 is about 2031.9086661601.

The spelling of 8389045460 in words is "eight billion, three hundred eighty-nine million, forty-five thousand, four hundred sixty".