3873333946 has 4 divisors (see below), whose sum is σ = 5810000922. Its totient is φ = 1936666972.

The previous prime is 3873333917. The next prime is 3873334027. The reversal of 3873333946 is 6493333783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3011265625 + 862068321 = 54875^2 + 29361^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3873333946.

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 as a sum of consecutive naturals, namely, 968333485 + ... + 968333488.

Almost surely, 2^3873333946 is an apocalyptic number.

3873333946 is a deficient number, since it is larger than the sum of its proper divisors (1936666976).

3873333946 is a wasteful number, since it uses less digits than its factorization.

3873333946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936666975.

The product of its digits is 2939328, while the sum is 49.

The square root of 3873333946 is about 62236.1144834733. The cubic root of 3873333946 is about 1570.4651881287.

It can be divided in two parts, 387 and 3333946, that added together give a palindrome (3334333).

The spelling of 3873333946 in words is "three billion, eight hundred seventy-three million, three hundred thirty-three thousand, nine hundred forty-six".