84294143 has 8 divisors (see below), whose sum is σ = 89754480. Its totient is φ = 78889600.

The previous prime is 84294139. The next prime is 84294151. The reversal of 84294143 is 34149248.

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 84294143 - 2² = 84294139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84294113) 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, 10808 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (11219310).

Almost surely, 2^84294143 is an apocalyptic number.

84294143 is a deficient number, since it is larger than the sum of its proper divisors (5460337).

84294143 is a wasteful number, since it uses less digits than its factorization.

84294143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27897.

The product of its digits is 27648, while the sum is 35.

The square root of 84294143 is about 9181.1841828819. The cubic root of 84294143 is about 438.4625108856.

The spelling of 84294143 in words is "eighty-four million, two hundred ninety-four thousand, one hundred forty-three".