8500242 has 24 divisors (see below), whose sum is σ = 17294256. Its totient is φ = 2785224.

The previous prime is 8500229. The next prime is 8500249. The reversal of 8500242 is 2420058.

It is a super-2 number, since 2×8500242² = 144508228117128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8500249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37333 + ... + 37559.

It is an arithmetic number, because the mean of its divisors is an integer number (720594).

Almost surely, 2^8500242 is an apocalyptic number.

8500242 is an abundant number, since it is smaller than the sum of its proper divisors (8794014).

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

8500242 is a wasteful number, since it uses less digits than its factorization.

8500242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 8500242 is about 2915.5174497849. The cubic root of 8500242 is about 204.0846918628.

The spelling of 8500242 in words is "eight million, five hundred thousand, two hundred forty-two".