109649238 has 8 divisors (see below), whose sum is σ = 219298488. Its totient is φ = 36549744.

The previous prime is 109649191. The next prime is 109649251. The reversal of 109649238 is 832946901.

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

109649238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 109649238.

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, 9137431 + ... + 9137442.

It is an arithmetic number, because the mean of its divisors is an integer number (27412311).

Almost surely, 2^109649238 is an apocalyptic number.

109649238 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.

109649238 is a wasteful number, since it uses less digits than its factorization.

109649238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18274878.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 109649238 is about 10471.3532076805. The cubic root of 109649238 is about 478.6321561398.

It can be divided in two parts, 10964 and 9238, that added together give a palindrome (20202).

The spelling of 109649238 in words is "one hundred nine million, six hundred forty-nine thousand, two hundred thirty-eight".