8242660 has 12 divisors (see below), whose sum is σ = 17309628. Its totient is φ = 3297056.

The previous prime is 8242639. The next prime is 8242667. The reversal of 8242660 is 662428.

It can be written as a sum of positive squares in 2 ways, for example, as 3849444 + 4393216 = 1962^2 + 2096^2 .

It is not an unprimeable number, because it can be changed into a prime (8242667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206047 + ... + 206086.

It is an arithmetic number, because the mean of its divisors is an integer number (1442469).

Almost surely, 2^8242660 is an apocalyptic number.

It is an amenable number.

8242660 is an abundant number, since it is smaller than the sum of its proper divisors (9066968).

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

8242660 is a wasteful number, since it uses less digits than its factorization.

8242660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412142 (or 412140 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8242660 is about 2871.0033089497. The cubic root of 8242660 is about 202.0020586007.

The spelling of 8242660 in words is "eight million, two hundred forty-two thousand, six hundred sixty".