3829261866 has 32 divisors (see below), whose sum is σ = 8220123648. Its totient is φ = 1184878080.

The previous prime is 3829261861. The next prime is 3829261873. The reversal of 3829261866 is 6681629283.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (3829261861) 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 15 ways as a sum of consecutive naturals, for example, 249690 + ... + 264581.

It is an arithmetic number, because the mean of its divisors is an integer number (256878864).

Almost surely, 2^3829261866 is an apocalyptic number.

3829261866 is an abundant number, since it is smaller than the sum of its proper divisors (4390861782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3829261866 is a wasteful number, since it uses less digits than its factorization.

3829261866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514366.

The product of its digits is 1492992, while the sum is 51.

The square root of 3829261866 is about 61881.0299364838. The cubic root of 3829261866 is about 1564.4860280117.

The spelling of 3829261866 in words is "three billion, eight hundred twenty-nine million, two hundred sixty-one thousand, eight hundred sixty-six".