109808969 has 8 divisors (see below), whose sum is σ = 114904320. Its totient is φ = 104740416.

The previous prime is 109808953. The next prime is 109808981. The reversal of 109808969 is 969808901.

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

It is a cyclic number.

It is not a de Polignac number, because 109808969 - 2⁴ = 109808953 is a prime.

It is a super-2 number, since 2×109808969² = 24116019345685922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109808989) by changing a digit.

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, 1937 + ... + 14945.

It is an arithmetic number, because the mean of its divisors is an integer number (14363040).

Almost surely, 2^109808969 is an apocalyptic number.

It is an amenable number.

109808969 is a deficient number, since it is larger than the sum of its proper divisors (5095351).

109808969 is a wasteful number, since it uses less digits than its factorization.

109808969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13399.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 109808969 is about 10478.9774787429. The cubic root of 109808969 is about 478.8644584049.

The spelling of 109808969 in words is "one hundred nine million, eight hundred eight thousand, nine hundred sixty-nine".