84739829 has 8 divisors (see below), whose sum is σ = 89463840. Its totient is φ = 80042256.

The previous prime is 84739819. The next prime is 84739901. The reversal of 84739829 is 92893748.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84739829 - 2⁴ = 84739813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84739819) 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 7 ways as a sum of consecutive naturals, for example, 167 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (11182980).

Almost surely, 2^84739829 is an apocalyptic number.

It is an amenable number.

84739829 is a deficient number, since it is larger than the sum of its proper divisors (4724011).

84739829 is a wasteful number, since it uses less digits than its factorization.

84739829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13219.

The product of its digits is 870912, while the sum is 50.

The square root of 84739829 is about 9205.4238902942. The cubic root of 84739829 is about 439.2339096919.

The spelling of 84739829 in words is "eighty-four million, seven hundred thirty-nine thousand, eight hundred twenty-nine".