3866726229 has 16 divisors (see below), whose sum is σ = 5271575232. Its totient is φ = 2520488448.

The previous prime is 3866726219. The next prime is 3866726231. The reversal of 3866726229 is 9226276683.

3866726229 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3866726229 - 2¹² = 3866722133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866726219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55894 + ... + 104199.

It is an arithmetic number, because the mean of its divisors is an integer number (329473452).

Almost surely, 2^3866726229 is an apocalyptic number.

It is an amenable number.

3866726229 is a deficient number, since it is larger than the sum of its proper divisors (1404849003).

3866726229 is a wasteful number, since it uses less digits than its factorization.

3866726229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160276.

The product of its digits is 2612736, while the sum is 51.

The square root of 3866726229 is about 62183.0059501790. The cubic root of 3866726229 is about 1569.5716343878.

The spelling of 3866726229 in words is "three billion, eight hundred sixty-six million, seven hundred twenty-six thousand, two hundred twenty-nine".