84108345 has 32 divisors (see below), whose sum is σ = 142464000. Its totient is φ = 42254784.

The previous prime is 84108331. The next prime is 84108371. The reversal of 84108345 is 54380148.

It is not a de Polignac number, because 84108345 - 2⁴ = 84108329 is a prime.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 55974 + ... + 57456.

It is an arithmetic number, because the mean of its divisors is an integer number (4452000).

Almost surely, 2^84108345 is an apocalyptic number.

It is an amenable number.

84108345 is a deficient number, since it is larger than the sum of its proper divisors (58355655).

84108345 is a wasteful number, since it uses less digits than its factorization.

84108345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 84108345 is about 9171.0601895310. The cubic root of 84108345 is about 438.1401263463.

The spelling of 84108345 in words is "eighty-four million, one hundred eight thousand, three hundred forty-five".