3943000036 has 24 divisors (see below), whose sum is σ = 6965111384. Its totient is φ = 1953054720.

The previous prime is 3943000021. The next prime is 3943000037. The reversal of 3943000036 is 6300003493.

It can be written as a sum of positive squares in 4 ways, for example, as 31248100 + 3911751936 = 5590^2 + 62544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3942999968 and 3943000013.

It is not an unprimeable number, because it can be changed into a prime (3943000037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175456 + ... + 196648.

Almost surely, 2^3943000036 is an apocalyptic number.

It is an amenable number.

3943000036 is a deficient number, since it is larger than the sum of its proper divisors (3022111348).

3943000036 is a wasteful number, since it uses less digits than its factorization.

3943000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21631 (or 21629 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3943000036 is about 62793.3120324131. The cubic root of 3943000036 is about 1579.8247997798.

The spelling of 3943000036 in words is "three billion, nine hundred forty-three million, thirty-six", and thus it is an aban number.