836394845 has 32 divisors (see below), whose sum is σ = 1204277760. Its totient is φ = 549527040.

The previous prime is 836394817. The next prime is 836394857. The reversal of 836394845 is 548493638.

It is a happy number.

It is not a de Polignac number, because 836394845 - 2⁸ = 836394589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 836394793 and 836394802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21161 + ... + 46049.

It is an arithmetic number, because the mean of its divisors is an integer number (37633680).

Almost surely, 2^836394845 is an apocalyptic number.

It is an amenable number.

836394845 is a deficient number, since it is larger than the sum of its proper divisors (367882915).

836394845 is a wasteful number, since it uses less digits than its factorization.

836394845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24965.

The product of its digits is 2488320, while the sum is 50.

The square root of 836394845 is about 28920.4917835088. The cubic root of 836394845 is about 942.1870176359.

The spelling of 836394845 in words is "eight hundred thirty-six million, three hundred ninety-four thousand, eight hundred forty-five".