109788436 has 24 divisors (see below), whose sum is σ = 195943104. Its totient is φ = 53813760.

The previous prime is 109788389. The next prime is 109788451. The reversal of 109788436 is 634887901.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 53811 + ... + 55813.

It is an arithmetic number, because the mean of its divisors is an integer number (8164296).

Almost surely, 2^109788436 is an apocalyptic number.

It is an amenable number.

109788436 is a deficient number, since it is larger than the sum of its proper divisors (86154668).

109788436 is a wasteful number, since it uses less digits than its factorization.

109788436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 109788436 is about 10477.9977094863. The cubic root of 109788436 is about 478.8346091830.

It can be divided in two parts, 109788 and 436, that added together give a square (110224 = 332²).

The spelling of 109788436 in words is "one hundred nine million, seven hundred eighty-eight thousand, four hundred thirty-six".