84312668 has 24 divisors (see below), whose sum is σ = 161239680. Its totient is φ = 38257520.

The previous prime is 84312667. The next prime is 84312703. The reversal of 84312668 is 86621348.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84312661) 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, 31403 + ... + 33981.

It is an arithmetic number, because the mean of its divisors is an integer number (6718320).

Almost surely, 2^84312668 is an apocalyptic number.

It is an amenable number.

84312668 is a deficient number, since it is larger than the sum of its proper divisors (76927012).

84312668 is a wasteful number, since it uses less digits than its factorization.

84312668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3335 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 84312668 is about 9182.1929842495. The cubic root of 84312668 is about 438.4946282735.

The spelling of 84312668 in words is "eighty-four million, three hundred twelve thousand, six hundred sixty-eight".