84552943 has 4 divisors (see below), whose sum is σ = 84755160. Its totient is φ = 84350728.

The previous prime is 84552931. The next prime is 84552961. The reversal of 84552943 is 34925548.

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 84552943 - 2⁹ = 84552431 is a prime.

It is a super-4 number, since 4×84552943⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84552896 and 84552905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84552443) 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, 100480 + ... + 101317.

It is an arithmetic number, because the mean of its divisors is an integer number (21188790).

Almost surely, 2^84552943 is an apocalyptic number.

84552943 is a deficient number, since it is larger than the sum of its proper divisors (202217).

84552943 is a wasteful number, since it uses less digits than its factorization.

84552943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202216.

The product of its digits is 172800, while the sum is 40.

The square root of 84552943 is about 9195.2674240611. The cubic root of 84552943 is about 438.9107751897.

The spelling of 84552943 in words is "eighty-four million, five hundred fifty-two thousand, nine hundred forty-three".