109173852 has 48 divisors (see below), whose sum is σ = 288398880. Its totient is φ = 35702784.

The previous prime is 109173817. The next prime is 109173853. The reversal of 109173852 is 258371901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109173853) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3813 + ... + 15260.

It is an arithmetic number, because the mean of its divisors is an integer number (6008310).

Almost surely, 2^109173852 is an apocalyptic number.

109173852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109173852 is an abundant number, since it is smaller than the sum of its proper divisors (179225028).

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

109173852 is a wasteful number, since it uses less digits than its factorization.

109173852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139 (or 19131 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 109173852 is about 10448.6291923869. The cubic root of 109173852 is about 477.9394483384.

The spelling of 109173852 in words is "one hundred nine million, one hundred seventy-three thousand, eight hundred fifty-two".