108420833 has 4 divisors (see below), whose sum is σ = 108449328. Its totient is φ = 108392340.

The previous prime is 108420817. The next prime is 108420887. The reversal of 108420833 is 338024801.

It is a happy number.

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: 338024801 = 19 ⋅17790779.

It is a cyclic number.

It is not a de Polignac number, because 108420833 - 2⁴ = 108420817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108420796 and 108420805.

It is not an unprimeable number, because it can be changed into a prime (108420233) 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, 7463 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (27112332).

Almost surely, 2^108420833 is an apocalyptic number.

It is an amenable number.

108420833 is a deficient number, since it is larger than the sum of its proper divisors (28495).

108420833 is an equidigital number, since it uses as much as digits as its factorization.

108420833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28494.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 108420833 is about 10412.5324969481. The cubic root of 108420833 is about 476.8380609026.

The spelling of 108420833 in words is "one hundred eight million, four hundred twenty thousand, eight hundred thirty-three".