84700506 has 64 divisors (see below), whose sum is σ = 191673216. Its totient is φ = 24729600.

The previous prime is 84700493. The next prime is 84700523. The reversal of 84700506 is 60500748.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 305640 + ... + 305916.

It is an arithmetic number, because the mean of its divisors is an integer number (2994894).

Almost surely, 2^84700506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84700506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95836608).

84700506 is an abundant number, since it is smaller than the sum of its proper divisors (106972710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84700506 is a wasteful number, since it uses less digits than its factorization.

84700506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 84700506 is about 9203.2877820918. The cubic root of 84700506 is about 439.1659579091.

The spelling of 84700506 in words is "eighty-four million, seven hundred thousand, five hundred six".