108440417 has 4 divisors (see below), whose sum is σ = 108496560. Its totient is φ = 108384276.

The previous prime is 108440401. The next prime is 108440447. The reversal of 108440417 is 714044801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714044801 = 541 ⋅1319861.

It is a cyclic number.

It is not a de Polignac number, because 108440417 - 2⁴ = 108440401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108440417.

It is not an unprimeable number, because it can be changed into a prime (108440447) 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, 25067 + ... + 29072.

It is an arithmetic number, because the mean of its divisors is an integer number (27124140).

Almost surely, 2^108440417 is an apocalyptic number.

It is an amenable number.

108440417 is a deficient number, since it is larger than the sum of its proper divisors (56143).

108440417 is an equidigital number, since it uses as much as digits as its factorization.

108440417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56142.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 108440417 is about 10413.4728597140. The cubic root of 108440417 is about 476.8667695130.

The spelling of 108440417 in words is "one hundred eight million, four hundred forty thousand, four hundred seventeen".