84687243 has 8 divisors (see below), whose sum is σ = 114830400. Its totient is φ = 55501128.

The previous prime is 84687241. The next prime is 84687259. The reversal of 84687243 is 34278648.

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

It is not a de Polignac number, because 84687243 - 2¹ = 84687241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84687195 and 84687204.

It is not an unprimeable number, because it can be changed into a prime (84687241) 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, 239053 + ... + 239406.

It is an arithmetic number, because the mean of its divisors is an integer number (14353800).

Almost surely, 2^84687243 is an apocalyptic number.

84687243 is a deficient number, since it is larger than the sum of its proper divisors (30143157).

84687243 is a wasteful number, since it uses less digits than its factorization.

84687243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478521.

The product of its digits is 258048, while the sum is 42.

The square root of 84687243 is about 9202.5671961687. The cubic root of 84687243 is about 439.1430341493.

The spelling of 84687243 in words is "eighty-four million, six hundred eighty-seven thousand, two hundred forty-three".