89748440 has 64 divisors (see below), whose sum is σ = 217533600. Its totient is φ = 33200128.

The previous prime is 89748437. The next prime is 89748469. The reversal of 89748440 is 4484798.

It is a junction number, because it is equal to n+sod(n) for n = 89748391 and 89748400.

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, 39002 + ... + 41238.

Almost surely, 2^89748440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89748440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108766800).

89748440 is an abundant number, since it is smaller than the sum of its proper divisors (127785160).

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

89748440 is a wasteful number, since it uses less digits than its factorization.

89748440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 89748440 is about 9473.5653267395. The cubic root of 89748440 is about 447.7225508924.

The spelling of 89748440 in words is "eighty-nine million, seven hundred forty-eight thousand, four hundred forty".