84446680 has 16 divisors (see below), whose sum is σ = 190005120. Its totient is φ = 33778656.

The previous prime is 84446669. The next prime is 84446683. The reversal of 84446680 is 8664448.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2111167 = 84446680 / (8 + 4 + 4 + 4 + 6 + 6 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84446683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055544 + ... + 1055623.

It is an arithmetic number, because the mean of its divisors is an integer number (11875320).

Almost surely, 2^84446680 is an apocalyptic number.

It is an amenable number.

84446680 is an abundant number, since it is smaller than the sum of its proper divisors (105558440).

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

84446680 is a wasteful number, since it uses less digits than its factorization.

84446680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111178 (or 2111174 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 84446680 is about 9189.4874721064. The cubic root of 84446680 is about 438.7268291863.

It can be divided in two parts, 844 and 46680, that added together give a square (47524 = 218²).

The spelling of 84446680 in words is "eighty-four million, four hundred forty-six thousand, six hundred eighty".