84666243 has 8 divisors (see below), whose sum is σ = 117796608. Its totient is φ = 53990024.

The previous prime is 84666229. The next prime is 84666251. The reversal of 84666243 is 34266648.

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 84666243 - 2⁴ = 84666227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84662243) 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, 613455 + ... + 613592.

It is an arithmetic number, because the mean of its divisors is an integer number (14724576).

Almost surely, 2^84666243 is an apocalyptic number.

84666243 is a deficient number, since it is larger than the sum of its proper divisors (33130365).

84666243 is a wasteful number, since it uses less digits than its factorization.

84666243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227073.

The product of its digits is 165888, while the sum is 39.

The square root of 84666243 is about 9201.4261394634. The cubic root of 84666243 is about 439.1067328688.

The spelling of 84666243 in words is "eighty-four million, six hundred sixty-six thousand, two hundred forty-three".