84440488 has 32 divisors (see below), whose sum is σ = 173122560. Its totient is φ = 38292480.

The previous prime is 84440483. The next prime is 84440491. The reversal of 84440488 is 88404448.

It is a self number, because there is not a number n which added to its sum of digits gives 84440488.

It is not an unprimeable number, because it can be changed into a prime (84440483) 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 7 ways as a sum of consecutive naturals, for example, 49945 + ... + 51607.

It is an arithmetic number, because the mean of its divisors is an integer number (5410080).

Almost surely, 2^84440488 is an apocalyptic number.

84440488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

84440488 is an abundant number, since it is smaller than the sum of its proper divisors (88682072).

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

84440488 is a wasteful number, since it uses less digits than its factorization.

84440488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 84440488 is about 9189.1505592193. The cubic root of 84440488 is about 438.7161058007.

The spelling of 84440488 in words is "eighty-four million, four hundred forty thousand, four hundred eighty-eight".