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108617 = 472311

108617 has 4 divisors (see below), whose sum is σ = 110976. Its totient is φ = 106260.

The previous prime is 108587. The next prime is 108631. The reversal of 108617 is 716801.

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: 716801 = 3719373.

It is a cyclic number.

It is not a de Polignac number, because 108617 - 26 = 108553 is a prime.

It is a super-3 number, since 3×1086173 = 3844276926363339, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108592 and 108601.

It is not an unprimeable number, because it can be changed into a prime (108637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109 + ... + 1202.

It is an arithmetic number, because the mean of its divisors is an integer number (27744).

2108617 is an apocalyptic number.

It is an amenable number.

108617 is a deficient number, since it is larger than the sum of its proper divisors (2359).

108617 is an equidigital number, since it uses as much as digits as its factorization.

108617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 108617 is about 329.5709331843. The cubic root of 108617 is about 47.7125470409.

The spelling of 108617 in words is "one hundred eight thousand, six hundred seventeen".

Divisors: 1 47 2311 108617