84484660 has 24 divisors (see below), whose sum is σ = 191065896. Its totient is φ = 31194240.

The previous prime is 84484649. The next prime is 84484661. The reversal of 84484660 is 6648448.

It can be written as a sum of positive squares in 4 ways, for example, as 1965604 + 82519056 = 1402^2 + 9084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84484661) 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, 162211 + ... + 162730.

It is an arithmetic number, because the mean of its divisors is an integer number (7961079).

Almost surely, 2^84484660 is an apocalyptic number.

It is an amenable number.

84484660 is an abundant number, since it is smaller than the sum of its proper divisors (106581236).

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

84484660 is a wasteful number, since it uses less digits than its factorization.

84484660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324963 (or 324961 counting only the distinct ones).

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

The square root of 84484660 is about 9191.5537315516. The cubic root of 84484660 is about 438.7925919751.

The spelling of 84484660 in words is "eighty-four million, four hundred eighty-four thousand, six hundred sixty".