3806336845 has 4 divisors (see below), whose sum is σ = 4567604220. Its totient is φ = 3045069472.

The previous prime is 3806336837. The next prime is 3806336869. The reversal of 3806336845 is 5486336083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5486336083 = 107 ⋅51274169.

It can be written as a sum of positive squares in 2 ways, for example, as 1987911396 + 1818425449 = 44586^2 + 42643^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806336845 - 2³ = 3806336837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3806336795 and 3806336804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380633680 + ... + 380633689.

It is an arithmetic number, because the mean of its divisors is an integer number (1141901055).

Almost surely, 2^3806336845 is an apocalyptic number.

It is an amenable number.

3806336845 is a deficient number, since it is larger than the sum of its proper divisors (761267375).

3806336845 is an equidigital number, since it uses as much as digits as its factorization.

3806336845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761267374.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 3806336845 is about 61695.5172196489. The cubic root of 3806336845 is about 1561.3576889879.

The spelling of 3806336845 in words is "three billion, eight hundred six million, three hundred thirty-six thousand, eight hundred forty-five".