108440 has 16 divisors (see below), whose sum is σ = 244080. Its totient is φ = 43360.

The previous prime is 108439. The next prime is 108457. The reversal of 108440 is 44801.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 108440.

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, 1316 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (15255).

2¹⁰⁸⁴⁴⁰ is an apocalyptic number.

108440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108440 is an abundant number, since it is smaller than the sum of its proper divisors (135640).

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

108440 is a wasteful number, since it uses less digits than its factorization.

108440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 108440 is about 329.3022927342. The cubic root of 108440 is about 47.6866158260.

The spelling of 108440 in words is "one hundred eight thousand, four hundred forty".