84306285 has 32 divisors (see below), whose sum is σ = 171290880. Its totient is φ = 38539584.

The previous prime is 84306269. The next prime is 84306311. The reversal of 84306285 is 58260348.

It is not a de Polignac number, because 84306285 - 2⁴ = 84306269 is a prime.

It is a super-3 number, since 3×84306285³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43662 + ... + 45551.

It is an arithmetic number, because the mean of its divisors is an integer number (5352840).

Almost surely, 2^84306285 is an apocalyptic number.

It is an amenable number.

84306285 is an abundant number, since it is smaller than the sum of its proper divisors (86984595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84306285 is a wasteful number, since it uses less digits than its factorization.

84306285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89234 (or 89228 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 84306285 is about 9181.8454027499. The cubic root of 84306285 is about 438.4835623925.

The spelling of 84306285 in words is "eighty-four million, three hundred six thousand, two hundred eighty-five".