109485385 has 4 divisors (see below), whose sum is σ = 131382468. Its totient is φ = 87588304.

The previous prime is 109485379. The next prime is 109485407. The reversal of 109485385 is 583584901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44408896 + 65076489 = 6664^2 + 8067^2 .

It is a cyclic number.

It is not a de Polignac number, because 109485385 - 2¹¹ = 109483337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10948534 + ... + 10948543.

It is an arithmetic number, because the mean of its divisors is an integer number (32845617).

Almost surely, 2^109485385 is an apocalyptic number.

It is an amenable number.

109485385 is a deficient number, since it is larger than the sum of its proper divisors (21897083).

109485385 is an equidigital number, since it uses as much as digits as its factorization.

109485385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897082.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 109485385 is about 10463.5264132127. The cubic root of 109485385 is about 478.3936245785.

The spelling of 109485385 in words is "one hundred nine million, four hundred eighty-five thousand, three hundred eighty-five".