3983770845 has 12 divisors (see below), whose sum is σ = 6905202876. Its totient is φ = 2124677760.

The previous prime is 3983770823. The next prime is 3983770877. The reversal of 3983770845 is 5480773893.

It can be written as a sum of positive squares in 2 ways, for example, as 3081249081 + 902521764 = 55509^2 + 30042^2 .

It is not a de Polignac number, because 3983770845 - 2⁸ = 3983770589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3983770791 and 3983770800.

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 11 ways as a sum of consecutive naturals, for example, 44264076 + ... + 44264165.

It is an arithmetic number, because the mean of its divisors is an integer number (575433573).

Almost surely, 2^3983770845 is an apocalyptic number.

It is an amenable number.

3983770845 is a deficient number, since it is larger than the sum of its proper divisors (2921432031).

3983770845 is a wasteful number, since it uses less digits than its factorization.

3983770845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88528252 (or 88528249 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 3983770845 is about 63117.1200626264. The cubic root of 3983770845 is about 1585.2512938017.

The spelling of 3983770845 in words is "three billion, nine hundred eighty-three million, seven hundred seventy thousand, eight hundred forty-five".