84550943 has 4 divisors (see below), whose sum is σ = 86517288. Its totient is φ = 82584600.

The previous prime is 84550909. The next prime is 84550951. The reversal of 84550943 is 34905548.

It is a happy number.

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 84550943 - 2¹⁶ = 84485407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84550897 and 84550906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84550903) 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, 983108 + ... + 983193.

It is an arithmetic number, because the mean of its divisors is an integer number (21629322).

Almost surely, 2^84550943 is an apocalyptic number.

84550943 is a deficient number, since it is larger than the sum of its proper divisors (1966345).

84550943 is a wasteful number, since it uses less digits than its factorization.

84550943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966344.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 84550943 is about 9195.1586718229. The cubic root of 84550943 is about 438.9073145237.

The spelling of 84550943 in words is "eighty-four million, five hundred fifty thousand, nine hundred forty-three".