108086405 has 12 divisors (see below), whose sum is σ = 150880140. Its totient is φ = 74116224.

The previous prime is 108086389. The next prime is 108086479. The reversal of 108086405 is 504680801.

It can be written as a sum of positive squares in 2 ways, for example, as 81036004 + 27050401 = 9002^2 + 5201^2 .

It is not a de Polignac number, because 108086405 - 2⁴ = 108086389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220340 + ... + 220829.

It is an arithmetic number, because the mean of its divisors is an integer number (12573345).

Almost surely, 2^108086405 is an apocalyptic number.

It is an amenable number.

108086405 is a deficient number, since it is larger than the sum of its proper divisors (42793735).

108086405 is an equidigital number, since it uses as much as digits as its factorization.

108086405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441188 (or 441181 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 108086405 is about 10396.4611767659. The cubic root of 108086405 is about 476.3472811703.

The spelling of 108086405 in words is "one hundred eight million, eighty-six thousand, four hundred five".