108342840 has 128 divisors (see below), whose sum is σ = 340070400. Its totient is φ = 27578880.

The previous prime is 108342833. The next prime is 108342841. The reversal of 108342840 is 48243801.

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 = 108342798 and 108342807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108342841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567145 + ... + 567335.

It is an arithmetic number, because the mean of its divisors is an integer number (2656800).

Almost surely, 2^108342840 is an apocalyptic number.

108342840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108342840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170035200).

108342840 is an abundant number, since it is smaller than the sum of its proper divisors (231727560).

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

108342840 is a wasteful number, since it uses less digits than its factorization.

108342840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 108342840 is about 10408.7866728068. The cubic root of 108342840 is about 476.7236949607.

The spelling of 108342840 in words is "one hundred eight million, three hundred forty-two thousand, eight hundred forty".