109199238 has 8 divisors (see below), whose sum is σ = 218398488. Its totient is φ = 36399744.

The previous prime is 109199221. The next prime is 109199243. The reversal of 109199238 is 832991901.

It is a sphenic number, since it is the product of 3 distinct primes.

109199238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 109199238.

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 3 ways as a sum of consecutive naturals, for example, 9099931 + ... + 9099942.

It is an arithmetic number, because the mean of its divisors is an integer number (27299811).

Almost surely, 2^109199238 is an apocalyptic number.

109199238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

109199238 is a wasteful number, since it uses less digits than its factorization.

109199238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18199878.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 109199238 is about 10449.8439222794. The cubic root of 109199238 is about 477.9764902684.

The spelling of 109199238 in words is "one hundred nine million, one hundred ninety-nine thousand, two hundred thirty-eight".