84228664 has 16 divisors (see below), whose sum is σ = 170077320. Its totient is φ = 38874720.

The previous prime is 84228631. The next prime is 84228679. The reversal of 84228664 is 46682248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404842 + ... + 405049.

Almost surely, 2^84228664 is an apocalyptic number.

It is an amenable number.

84228664 is an abundant number, since it is smaller than the sum of its proper divisors (85848656).

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

84228664 is a wasteful number, since it uses less digits than its factorization.

84228664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809910 (or 809906 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 84228664 is about 9177.6175557712. The cubic root of 84228664 is about 438.3489501135.

The spelling of 84228664 in words is "eighty-four million, two hundred twenty-eight thousand, six hundred sixty-four".