108967749 has 16 divisors (see below), whose sum is σ = 161187840. Its totient is φ = 64920560.

The previous prime is 108967699. The next prime is 108967751. The reversal of 108967749 is 947769801.

It is a cyclic number.

It is not a de Polignac number, because 108967749 - 2⁹ = 108967237 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108967769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26037 + ... + 29930.

It is an arithmetic number, because the mean of its divisors is an integer number (10074240).

Almost surely, 2^108967749 is an apocalyptic number.

It is an amenable number.

108967749 is a deficient number, since it is larger than the sum of its proper divisors (52220091).

108967749 is a wasteful number, since it uses less digits than its factorization.

108967749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56040.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 108967749 is about 10438.7618518673. The cubic root of 108967749 is about 477.6385007991.

The spelling of 108967749 in words is "one hundred eight million, nine hundred sixty-seven thousand, seven hundred forty-nine".