108711840 has 48 divisors (see below), whose sum is σ = 342443808. Its totient is φ = 28989696.

The previous prime is 108711797. The next prime is 108711847. The reversal of 108711840 is 48117801.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 108711798 and 108711807.

It is not an unprimeable number, because it can be changed into a prime (108711847) 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, 112762 + ... + 113721.

It is an arithmetic number, because the mean of its divisors is an integer number (7134246).

Almost surely, 2^108711840 is an apocalyptic number.

108711840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108711840 is an abundant number, since it is smaller than the sum of its proper divisors (233731968).

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

108711840 is a wasteful number, since it uses less digits than its factorization.

108711840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226501 (or 226493 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 108711840 is about 10426.4970148176. The cubic root of 108711840 is about 477.2642989400.

The spelling of 108711840 in words is "one hundred eight million, seven hundred eleven thousand, eight hundred forty".