8438706460 has 24 divisors (see below), whose sum is σ = 17725972320. Its totient is φ = 3374589504.

The previous prime is 8438706431. The next prime is 8438706461. The reversal of 8438706460 is 646078348.

It is a self number, because there is not a number n which added to its sum of digits gives 8438706460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8438706461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24481 + ... + 132199.

It is an arithmetic number, because the mean of its divisors is an integer number (738582180).

Almost surely, 2^8438706460 is an apocalyptic number.

It is an amenable number.

8438706460 is an abundant number, since it is smaller than the sum of its proper divisors (9287265860).

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

8438706460 is a wasteful number, since it uses less digits than its factorization.

8438706460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111645 (or 111643 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 8438706460 is about 91862.4322560643. The cubic root of 8438706460 is about 2035.9102400077.

The spelling of 8438706460 in words is "eight billion, four hundred thirty-eight million, seven hundred six thousand, four hundred sixty".