108969407 has 4 divisors (see below), whose sum is σ = 109022400. Its totient is φ = 108916416.

The previous prime is 108969397. The next prime is 108969409. The reversal of 108969407 is 704969801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108969407 - 2²⁰ = 107920831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108969409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23282 + ... + 27567.

It is an arithmetic number, because the mean of its divisors is an integer number (27255600).

Almost surely, 2^108969407 is an apocalyptic number.

108969407 is a deficient number, since it is larger than the sum of its proper divisors (52993).

108969407 is an equidigital number, since it uses as much as digits as its factorization.

108969407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52992.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 108969407 is about 10438.8412671139. The cubic root of 108969407 is about 477.6409232914.

The spelling of 108969407 in words is "one hundred eight million, nine hundred sixty-nine thousand, four hundred seven".