856105604 has 12 divisors (see below), whose sum is σ = 1498561344. Its totient is φ = 427945224.

The previous prime is 856105597. The next prime is 856105633. The reversal of 856105604 is 406501658.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 7424 + ... + 42039.

It is an arithmetic number, because the mean of its divisors is an integer number (124880112).

Almost surely, 2^856105604 is an apocalyptic number.

It is an amenable number.

856105604 is a deficient number, since it is larger than the sum of its proper divisors (642455740).

856105604 is a wasteful number, since it uses less digits than its factorization.

856105604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53794 (or 53792 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 856105604 is about 29259.2823562028. The cubic root of 856105604 is about 949.5309241040.

The spelling of 856105604 in words is "eight hundred fifty-six million, one hundred five thousand, six hundred four".