103491888 has 80 divisors (see below), whose sum is σ = 278363136. Its totient is φ = 33096960.

The previous prime is 103491877. The next prime is 103491889. The reversal of 103491888 is 888194301.

It is not an unprimeable number, because it can be changed into a prime (103491889) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 233395 + ... + 233837.

Almost surely, 2^103491888 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 103491888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139181568).

103491888 is an abundant number, since it is smaller than the sum of its proper divisors (174871248).

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

103491888 is a wasteful number, since it uses less digits than its factorization.

103491888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 103491888 is about 10173.0962838263. The cubic root of 103491888 is about 469.4998270427.

The spelling of 103491888 in words is "one hundred three million, four hundred ninety-one thousand, eight hundred eighty-eight".