84539228 has 12 divisors (see below), whose sum is σ = 151942392. Its totient is φ = 41127120.

The previous prime is 84539209. The next prime is 84539239. The reversal of 84539228 is 82293548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285458 + ... + 285753.

It is an arithmetic number, because the mean of its divisors is an integer number (12661866).

Almost surely, 2^84539228 is an apocalyptic number.

It is an amenable number.

84539228 is a deficient number, since it is larger than the sum of its proper divisors (67403164).

84539228 is a wasteful number, since it uses less digits than its factorization.

84539228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571252 (or 571250 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 84539228 is about 9194.5216297532. The cubic root of 84539228 is about 438.8870425768.

The spelling of 84539228 in words is "eighty-four million, five hundred thirty-nine thousand, two hundred twenty-eight".