88381530 has 96 divisors (see below), whose sum is σ = 244992384. Its totient is φ = 22908096.

The previous prime is 88381523. The next prime is 88381541. The reversal of 88381530 is 3518388.

It is a happy number.

It is a super-2 number, since 2×88381530² = 15622589690281800, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 89419 + ... + 90401.

It is an arithmetic number, because the mean of its divisors is an integer number (2552004).

Almost surely, 2^88381530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88381530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122496192).

88381530 is an abundant number, since it is smaller than the sum of its proper divisors (156610854).

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

88381530 is a wasteful number, since it uses less digits than its factorization.

88381530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 88381530 is about 9401.1451430132. The cubic root of 88381530 is about 445.4379058442.

The spelling of 88381530 in words is "eighty-eight million, three hundred eighty-one thousand, five hundred thirty".