84439329 has 24 divisors (see below), whose sum is σ = 126138240. Its totient is φ = 50162112.

The previous prime is 84439321. The next prime is 84439331. The reversal of 84439329 is 92393448.

It is a happy number.

It is not a de Polignac number, because 84439329 - 2³ = 84439321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84439321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11832 + ... + 17574.

It is an arithmetic number, because the mean of its divisors is an integer number (5255760).

Almost surely, 2^84439329 is an apocalyptic number.

It is an amenable number.

84439329 is a deficient number, since it is larger than the sum of its proper divisors (41698911).

84439329 is a wasteful number, since it uses less digits than its factorization.

84439329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801 (or 5788 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 84439329 is about 9189.0874955025. The cubic root of 84439329 is about 438.7140985713.

The spelling of 84439329 in words is "eighty-four million, four hundred thirty-nine thousand, three hundred twenty-nine".