84334439 has 16 divisors (see below), whose sum is σ = 99763200. Its totient is φ = 71247960.

The previous prime is 84334429. The next prime is 84334451. The reversal of 84334439 is 93443348.

It is not a de Polignac number, because 84334439 - 2¹⁶ = 84268903 is a prime.

It is a super-2 number, since 2×84334439² = 14224595202889442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84334429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22622 + ... + 26084.

It is an arithmetic number, because the mean of its divisors is an integer number (6235200).

Almost surely, 2^84334439 is an apocalyptic number.

84334439 is a deficient number, since it is larger than the sum of its proper divisors (15428761).

84334439 is an equidigital number, since it uses as much as digits as its factorization.

84334439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3541 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 84334439 is about 9183.3784088428. The cubic root of 84334439 is about 438.5323673433.

The spelling of 84334439 in words is "eighty-four million, three hundred thirty-four thousand, four hundred thirty-nine".