88391492 has 72 divisors (see below), whose sum is σ = 187536384. Its totient is φ = 36324288.

The previous prime is 88391473. The next prime is 88391497. The reversal of 88391492 is 29419388.

It is a happy number.

Its product of digits (124416) is a multiple of the sum of its prime divisors (256).

It is not an unprimeable number, because it can be changed into a prime (88391497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695933 + ... + 696059.

It is an arithmetic number, because the mean of its divisors is an integer number (2604672).

Almost surely, 2^88391492 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 88391492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93768192).

88391492 is an abundant number, since it is smaller than the sum of its proper divisors (99144892).

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

88391492 is a wasteful number, since it uses less digits than its factorization.

88391492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 256 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 88391492 is about 9401.6749571552. The cubic root of 88391492 is about 445.4546411874.

The spelling of 88391492 in words is "eighty-eight million, three hundred ninety-one thousand, four hundred ninety-two".