88684140 has 24 divisors (see below), whose sum is σ = 248315760. Its totient is φ = 23649088.

The previous prime is 88684111. The next prime is 88684157. The reversal of 88684140 is 4148688.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 738975 + ... + 739094.

It is an arithmetic number, because the mean of its divisors is an integer number (10346490).

Almost surely, 2^88684140 is an apocalyptic number.

It is an amenable number.

88684140 is an abundant number, since it is smaller than the sum of its proper divisors (159631620).

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

88684140 is a wasteful number, since it uses less digits than its factorization.

88684140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478081 (or 1478079 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 88684140 is about 9417.2257061196. The cubic root of 88684140 is about 445.9457058187.

The spelling of 88684140 in words is "eighty-eight million, six hundred eighty-four thousand, one hundred forty".