108435961 has 4 divisors (see below), whose sum is σ = 113150592. Its totient is φ = 103721332.

The previous prime is 108435947. The next prime is 108435991. The reversal of 108435961 is 169534801.

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.

It is a cyclic number.

It is not a de Polignac number, because 108435961 - 2⁹ = 108435449 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 108435961.

It is not an unprimeable number, because it can be changed into a prime (108435991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357281 + ... + 2357326.

It is an arithmetic number, because the mean of its divisors is an integer number (28287648).

Almost surely, 2^108435961 is an apocalyptic number.

It is an amenable number.

108435961 is a deficient number, since it is larger than the sum of its proper divisors (4714631).

108435961 is an equidigital number, since it uses as much as digits as its factorization.

108435961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714630.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 108435961 is about 10413.2589039167. The cubic root of 108435961 is about 476.8602376697.

The spelling of 108435961 in words is "one hundred eight million, four hundred thirty-five thousand, nine hundred sixty-one".