84312339 has 8 divisors (see below), whose sum is σ = 112459152. Its totient is φ = 56186880.

The previous prime is 84312337. The next prime is 84312353. The reversal of 84312339 is 93321348.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84312339 - 2¹ = 84312337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84312337) 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, 11187 + ... + 17139.

It is an arithmetic number, because the mean of its divisors is an integer number (14057394).

Almost surely, 2^84312339 is an apocalyptic number.

84312339 is a deficient number, since it is larger than the sum of its proper divisors (28146813).

84312339 is a wasteful number, since it uses less digits than its factorization.

84312339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10677.

The product of its digits is 15552, while the sum is 33.

The square root of 84312339 is about 9182.1750691217. The cubic root of 84312339 is about 438.4940579167.

Subtracting 84312339 from its reverse (93321348), we obtain a palindrome (9009009).

The spelling of 84312339 in words is "eighty-four million, three hundred twelve thousand, three hundred thirty-nine".