84629289 has 16 divisors (see below), whose sum is σ = 118286784. Its totient is φ = 53760000.

The previous prime is 84629269. The next prime is 84629291. The reversal of 84629289 is 98292648.

It is not a de Polignac number, because 84629289 - 2⁵ = 84629257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84629239) 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 15 ways as a sum of consecutive naturals, for example, 2712 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (7392924).

Almost surely, 2^84629289 is an apocalyptic number.

It is an amenable number.

84629289 is a deficient number, since it is larger than the sum of its proper divisors (33657495).

84629289 is a wasteful number, since it uses less digits than its factorization.

84629289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088.

The product of its digits is 497664, while the sum is 48.

The square root of 84629289 is about 9199.4178620171. The cubic root of 84629289 is about 439.0428384090.

It can be divided in two parts, 846 and 29289, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 84629289 in words is "eighty-four million, six hundred twenty-nine thousand, two hundred eighty-nine".