89240448 has 128 divisors (see below), whose sum is σ = 266048640. Its totient is φ = 26265600.

The previous prime is 89240447. The next prime is 89240467. The reversal of 89240448 is 84404298.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89240441) 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 15 ways as a sum of consecutive naturals, for example, 156003 + ... + 156573.

It is an arithmetic number, because the mean of its divisors is an integer number (2078505).

Almost surely, 2^89240448 is an apocalyptic number.

89240448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89240448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133024320).

89240448 is an abundant number, since it is smaller than the sum of its proper divisors (176808192).

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

89240448 is a wasteful number, since it uses less digits than its factorization.

89240448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 89240448 is about 9446.7162548687. The cubic root of 89240448 is about 446.8762225536.

The spelling of 89240448 in words is "eighty-nine million, two hundred forty thousand, four hundred forty-eight".