108840340 has 24 divisors (see below), whose sum is σ = 261217152. Its totient is φ = 37316640.

The previous prime is 108840331. The next prime is 108840343. The reversal of 108840340 is 43048801.

It is a super-2 number, since 2×108840340² = 23692439222631200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 108840299 and 108840308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108840343) 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, 388576 + ... + 388855.

It is an arithmetic number, because the mean of its divisors is an integer number (10884048).

Almost surely, 2^108840340 is an apocalyptic number.

108840340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108840340 is an abundant number, since it is smaller than the sum of its proper divisors (152376812).

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

108840340 is a wasteful number, since it uses less digits than its factorization.

108840340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777447 (or 777445 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 108840340 is about 10432.6573795941. The cubic root of 108840340 is about 477.4522708431.

The spelling of 108840340 in words is "one hundred eight million, eight hundred forty thousand, three hundred forty".