3866949748 has 24 divisors (see below), whose sum is σ = 6977946528. Its totient is φ = 1874130336.

The previous prime is 3866949707. The next prime is 3866949797. The reversal of 3866949748 is 8479496683.

It is a self number, because there is not a number n which added to its sum of digits gives 3866949748.

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 7 ways as a sum of consecutive naturals, for example, 92286 + ... + 127477.

It is an arithmetic number, because the mean of its divisors is an integer number (290747772).

Almost surely, 2^3866949748 is an apocalyptic number.

It is an amenable number.

3866949748 is a deficient number, since it is larger than the sum of its proper divisors (3110996780).

3866949748 is a wasteful number, since it uses less digits than its factorization.

3866949748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219903 (or 219901 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 64.

The square root of 3866949748 is about 62184.8031917767. The cubic root of 3866949748 is about 1569.6018772256.

The spelling of 3866949748 in words is "three billion, eight hundred sixty-six million, nine hundred forty-nine thousand, seven hundred forty-eight".