3784539866 has 16 divisors (see below), whose sum is σ = 5692413888. Its totient is φ = 1887076800.

The previous prime is 3784539797. The next prime is 3784539877. The reversal of 3784539866 is 6689354873.

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, 1958921 + ... + 1960851.

It is an arithmetic number, because the mean of its divisors is an integer number (355775868).

Almost surely, 2^3784539866 is an apocalyptic number.

3784539866 is a deficient number, since it is larger than the sum of its proper divisors (1907874022).

3784539866 is a wasteful number, since it uses less digits than its factorization.

3784539866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its digits is 26127360, while the sum is 59.

The square root of 3784539866 is about 61518.6139798354. The cubic root of 3784539866 is about 1558.3716114123.

The spelling of 3784539866 in words is "three billion, seven hundred eighty-four million, five hundred thirty-nine thousand, eight hundred sixty-six".