89996240 has 80 divisors (see below), whose sum is σ = 222307200. Its totient is φ = 33808896.

The previous prime is 89996227. The next prime is 89996261. The reversal of 89996240 is 4269998.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108146 + ... + 108974.

It is an arithmetic number, because the mean of its divisors is an integer number (2778840).

Almost surely, 2^89996240 is an apocalyptic number.

89996240 is a gapful number since it is divisible by the number (80) 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 89996240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111153600).

89996240 is an abundant number, since it is smaller than the sum of its proper divisors (132310960).

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

89996240 is a wasteful number, since it uses less digits than its factorization.

89996240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 89996240 is about 9486.6348090353. The cubic root of 89996240 is about 448.1342337978.

The spelling of 89996240 in words is "eighty-nine million, nine hundred ninety-six thousand, two hundred forty".