88388320 has 48 divisors (see below), whose sum is σ = 210461328. Its totient is φ = 35077120.

The previous prime is 88388309. The next prime is 88388351. The reversal of 88388320 is 2388388.

It is a super-2 number, since 2×88388320² = 15624990224844800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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, 18852 + ... + 23068.

It is an arithmetic number, because the mean of its divisors is an integer number (4384611).

Almost surely, 2^88388320 is an apocalyptic number.

88388320 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 88388320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105230664).

88388320 is an abundant number, since it is smaller than the sum of its proper divisors (122073008).

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

88388320 is a wasteful number, since it uses less digits than its factorization.

88388320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 88388320 is about 9401.5062622965. The cubic root of 88388320 is about 445.4493126239.

The spelling of 88388320 in words is "eighty-eight million, three hundred eighty-eight thousand, three hundred twenty".