84389306 has 8 divisors (see below), whose sum is σ = 129527904. Its totient is φ = 41213340.

The previous prime is 84389287. The next prime is 84389329. The reversal of 84389306 is 60398348.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490550 + ... + 490721.

It is an arithmetic number, because the mean of its divisors is an integer number (16190988).

Almost surely, 2^84389306 is an apocalyptic number.

84389306 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

84389306 is a deficient number, since it is larger than the sum of its proper divisors (45138598).

84389306 is a wasteful number, since it uses less digits than its factorization.

84389306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981316.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 84389306 is about 9186.3652224370. The cubic root of 84389306 is about 438.6274480705.

The spelling of 84389306 in words is "eighty-four million, three hundred eighty-nine thousand, three hundred six".