84564086 has 16 divisors (see below), whose sum is σ = 134492400. Its totient is φ = 39740160.

The previous prime is 84564059. The next prime is 84564089. The reversal of 84564086 is 68046548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84564089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34481 + ... + 36851.

It is an arithmetic number, because the mean of its divisors is an integer number (8405775).

Almost surely, 2^84564086 is an apocalyptic number.

84564086 is a deficient number, since it is larger than the sum of its proper divisors (49928314).

84564086 is a wasteful number, since it uses less digits than its factorization.

84564086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 84564086 is about 9195.8733136119. The cubic root of 84564086 is about 438.9300552910.

The spelling of 84564086 in words is "eighty-four million, five hundred sixty-four thousand, eighty-six".