84539233 has 4 divisors (see below), whose sum is σ = 84567748. Its totient is φ = 84510720.

The previous prime is 84539209. The next prime is 84539239. The reversal of 84539233 is 33293548.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55249489 + 29289744 = 7433^2 + 5412^2 .

It is a cyclic number.

It is not a de Polignac number, because 84539233 - 2²¹ = 82442081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84539192 and 84539201.

It is not an unprimeable number, because it can be changed into a prime (84539239) 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, 9216 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (21141937).

Almost surely, 2^84539233 is an apocalyptic number.

It is an amenable number.

84539233 is a deficient number, since it is larger than the sum of its proper divisors (28515).

84539233 is a wasteful number, since it uses less digits than its factorization.

84539233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514.

The product of its digits is 77760, while the sum is 37.

The square root of 84539233 is about 9194.5219016543. The cubic root of 84539233 is about 438.8870512293.

The spelling of 84539233 in words is "eighty-four million, five hundred thirty-nine thousand, two hundred thirty-three".