84446660 has 24 divisors (see below), whose sum is σ = 178969560. Its totient is φ = 33467904.

The previous prime is 84446657. The next prime is 84446669. The reversal of 84446660 is 6664448.

It can be written as a sum of positive squares in 4 ways, for example, as 2869636 + 81577024 = 1694^2 + 9032^2 .

It is not an unprimeable number, because it can be changed into a prime (84446669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17189 + ... + 21548.

It is an arithmetic number, because the mean of its divisors is an integer number (7457065).

Almost surely, 2^84446660 is an apocalyptic number.

It is an amenable number.

84446660 is an abundant number, since it is smaller than the sum of its proper divisors (94522900).

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

84446660 is a wasteful number, since it uses less digits than its factorization.

84446660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38855 (or 38853 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 84446660 is about 9189.4863839063. The cubic root of 84446660 is about 438.7267945509.

The spelling of 84446660 in words is "eighty-four million, four hundred forty-six thousand, six hundred sixty".