84919339 has 4 divisors (see below), whose sum is σ = 84945640. Its totient is φ = 84893040.

The previous prime is 84919319. The next prime is 84919361. The reversal of 84919339 is 93391948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84919339 - 2¹⁷ = 84788267 is a prime.

It is a super-2 number, since 2×84919339² = 14422588272393842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84919319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7497 + ... + 15034.

It is an arithmetic number, because the mean of its divisors is an integer number (21236410).

Almost surely, 2^84919339 is an apocalyptic number.

84919339 is a deficient number, since it is larger than the sum of its proper divisors (26301).

84919339 is a wasteful number, since it uses less digits than its factorization.

84919339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300.

The product of its digits is 209952, while the sum is 46.

The square root of 84919339 is about 9215.1689620972. The cubic root of 84919339 is about 439.5438437177.

It can be divided in two parts, 84919 and 339, that added together give a palindrome (85258).

The spelling of 84919339 in words is "eighty-four million, nine hundred nineteen thousand, three hundred thirty-nine".