8421060 has 24 divisors (see below), whose sum is σ = 23579136. Its totient is φ = 2245600.

The previous prime is 8421041. The next prime is 8421067. The reversal of 8421060 is 601248.

It is not an unprimeable number, because it can be changed into a prime (8421067) 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, 70116 + ... + 70235.

It is an arithmetic number, because the mean of its divisors is an integer number (982464).

Almost surely, 2^8421060 is an apocalyptic number.

It is an amenable number.

8421060 is an abundant number, since it is smaller than the sum of its proper divisors (15158076).

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

8421060 is a wasteful number, since it uses less digits than its factorization.

8421060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140363 (or 140361 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 8421060 is about 2901.9062700232. The cubic root of 8421060 is about 203.4490129775.

The spelling of 8421060 in words is "eight million, four hundred twenty-one thousand, sixty".