88398720 has 192 divisors, whose sum is σ = 310284000. Its totient is φ = 23187456.

The previous prime is 88398707. The next prime is 88398721. The reversal of 88398720 is 2789388.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88398721) 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 23 ways as a sum of consecutive naturals, for example, 593206 + ... + 593354.

Almost surely, 2^88398720 is an apocalyptic number.

88398720 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 88398720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155142000).

88398720 is an abundant number, since it is smaller than the sum of its proper divisors (221885280).

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

88398720 is a wasteful number, since it uses less digits than its factorization.

88398720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 88398720 is about 9402.0593488873. The cubic root of 88398720 is about 445.4667828476.

The spelling of 88398720 in words is "eighty-eight million, three hundred ninety-eight thousand, seven hundred twenty".