108820470 has 128 divisors (see below), whose sum is σ = 300464640. Its totient is φ = 24980480.

The previous prime is 108820409. The next prime is 108820471. The reversal of 108820470 is 74028801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108820471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 794242 + ... + 794378.

It is an arithmetic number, because the mean of its divisors is an integer number (2347380).

Almost surely, 2^108820470 is an apocalyptic number.

108820470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108820470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150232320).

108820470 is an abundant number, since it is smaller than the sum of its proper divisors (191644170).

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

108820470 is a wasteful number, since it uses less digits than its factorization.

108820470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 108820470 is about 10431.7050380079. The cubic root of 108820470 is about 477.4232143554.

The spelling of 108820470 in words is "one hundred eight million, eight hundred twenty thousand, four hundred seventy".