2805673396 has 12 divisors (see below), whose sum is σ = 4960546948. Its totient is φ = 1388374272.

The previous prime is 2805673391. The next prime is 2805673477. The reversal of 2805673396 is 6933765082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1817828496 + 987844900 = 42636^2 + 31430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805673391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615171 + ... + 3615946.

Almost surely, 2^2805673396 is an apocalyptic number.

It is an amenable number.

2805673396 is a deficient number, since it is larger than the sum of its proper divisors (2154873552).

2805673396 is a wasteful number, since it uses less digits than its factorization.

2805673396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231218 (or 7231216 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 2805673396 is about 52968.6076464164. The cubic root of 2805673396 is about 1410.4110593344.

The spelling of 2805673396 in words is "two billion, eight hundred five million, six hundred seventy-three thousand, three hundred ninety-six".