109834820 has 24 divisors (see below), whose sum is σ = 242793600. Its totient is φ = 41621472.

The previous prime is 109834819. The next prime is 109834843. The reversal of 109834820 is 28438901.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144140 + ... + 144899.

It is an arithmetic number, because the mean of its divisors is an integer number (10116400).

Almost surely, 2^109834820 is an apocalyptic number.

109834820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109834820 is an abundant number, since it is smaller than the sum of its proper divisors (132958780).

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

109834820 is a wasteful number, since it uses less digits than its factorization.

109834820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289067 (or 289065 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 109834820 is about 10480.2108757410. The cubic root of 109834820 is about 478.9020332160.

The spelling of 109834820 in words is "one hundred nine million, eight hundred thirty-four thousand, eight hundred twenty".