88155432 has 32 divisors (see below), whose sum is σ = 244876800. Its totient is φ = 29385072.

The previous prime is 88155407. The next prime is 88155433. The reversal of 88155432 is 23455188.

It is a happy number.

It is a super-2 number, since 2×88155432² = 15542760382213248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (88155433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203848 + ... + 204279.

It is an arithmetic number, because the mean of its divisors is an integer number (7652400).

Almost surely, 2^88155432 is an apocalyptic number.

It is an amenable number.

88155432 is an abundant number, since it is smaller than the sum of its proper divisors (156721368).

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

88155432 is a wasteful number, since it uses less digits than its factorization.

88155432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408142 (or 408132 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 88155432 is about 9389.1124181149. The cubic root of 88155432 is about 445.0577411082.

The spelling of 88155432 in words is "eighty-eight million, one hundred fifty-five thousand, four hundred thirty-two".