109238904 has 96 divisors (see below), whose sum is σ = 318240000. Its totient is φ = 33742656.

The previous prime is 109238893. The next prime is 109238929. The reversal of 109238904 is 409832901.

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

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 63447 + ... + 65145.

It is an arithmetic number, because the mean of its divisors is an integer number (3315000).

Almost surely, 2^109238904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109238904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159120000).

109238904 is an abundant number, since it is smaller than the sum of its proper divisors (209001096).

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

109238904 is a wasteful number, since it uses less digits than its factorization.

109238904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 109238904 is about 10451.7416730419. The cubic root of 109238904 is about 478.0343573397.

The spelling of 109238904 in words is "one hundred nine million, two hundred thirty-eight thousand, nine hundred four".