8242187 has 8 divisors (see below), whose sum is σ = 8598912. Its totient is φ = 7891200.

The previous prime is 8242183. The next prime is 8242207. The reversal of 8242187 is 7812428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8242187 - 2² = 8242183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242183) 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, 1637 + ... + 4377.

It is an arithmetic number, because the mean of its divisors is an integer number (1074864).

Almost surely, 2^8242187 is an apocalyptic number.

8242187 is a deficient number, since it is larger than the sum of its proper divisors (356725).

8242187 is a wasteful number, since it uses less digits than its factorization.

8242187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869.

The product of its digits is 7168, while the sum is 32.

The square root of 8242187 is about 2870.9209323839. The cubic root of 8242187 is about 201.9981946053.

It can be divided in two parts, 8 and 242187, that multiplied together give a triangular number (1937496 = T₁₉₆₈).

The spelling of 8242187 in words is "eight million, two hundred forty-two thousand, one hundred eighty-seven".