84531443 has 4 divisors (see below), whose sum is σ = 84974208. Its totient is φ = 84088680.

The previous prime is 84531439. The next prime is 84531467. The reversal of 84531443 is 34413548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84531443 - 2² = 84531439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84561443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221096 + ... + 221477.

It is an arithmetic number, because the mean of its divisors is an integer number (21243552).

Almost surely, 2^84531443 is an apocalyptic number.

84531443 is a deficient number, since it is larger than the sum of its proper divisors (442765).

84531443 is a wasteful number, since it uses less digits than its factorization.

84531443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442764.

The product of its digits is 23040, while the sum is 32.

The square root of 84531443 is about 9194.0982700861. The cubic root of 84531443 is about 438.8735701704.

The spelling of 84531443 in words is "eighty-four million, five hundred thirty-one thousand, four hundred forty-three".