103888640 has 36 divisors (see below), whose sum is σ = 248848824. Its totient is φ = 41554944.

The previous prime is 103888621. The next prime is 103888651. The reversal of 103888640 is 46888301.

It is a junction number, because it is equal to n+sod(n) for n = 103888594 and 103888603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39302 + ... + 41861.

Almost surely, 2^103888640 is an apocalyptic number.

103888640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103888640 is an abundant number, since it is smaller than the sum of its proper divisors (144960184).

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

103888640 is an frugal number, since it uses more digits than its factorization.

103888640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81184 (or 81170 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 103888640 is about 10192.5776916342. The cubic root of 103888640 is about 470.0990284769.

The spelling of 103888640 in words is "one hundred three million, eight hundred eighty-eight thousand, six hundred forty".