88643436 has 48 divisors (see below), whose sum is σ = 248828160. Its totient is φ = 23993280.

The previous prime is 88643413. The next prime is 88643437. The reversal of 88643436 is 63434688.

88643436 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

88643436 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (88643437) 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 15 ways as a sum of consecutive naturals, for example, 26175 + ... + 29366.

It is an arithmetic number, because the mean of its divisors is an integer number (5183920).

Almost surely, 2^88643436 is an apocalyptic number.

It is an amenable number.

88643436 is an abundant number, since it is smaller than the sum of its proper divisors (160184724).

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

88643436 is a wasteful number, since it uses less digits than its factorization.

88643436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55574 (or 55572 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 88643436 is about 9415.0643120480. The cubic root of 88643436 is about 445.8774690713.

The spelling of 88643436 in words is "eighty-eight million, six hundred forty-three thousand, four hundred thirty-six".