3863886429 has 32 divisors (see below), whose sum is σ = 5890389120. Its totient is φ = 2231857152.

The previous prime is 3863886419. The next prime is 3863886443. The reversal of 3863886429 is 9246883683.

It is a happy number.

It is not a de Polignac number, because 3863886429 - 2⁴ = 3863886413 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863886419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243589 + ... + 258965.

It is an arithmetic number, because the mean of its divisors is an integer number (184074660).

Almost surely, 2^3863886429 is an apocalyptic number.

3863886429 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3863886429 is a deficient number, since it is larger than the sum of its proper divisors (2026502691).

3863886429 is a wasteful number, since it uses less digits than its factorization.

3863886429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789.

The product of its digits is 11943936, while the sum is 57.

The square root of 3863886429 is about 62160.1675432105. The cubic root of 3863886429 is about 1569.1872988304.

The spelling of 3863886429 in words is "three billion, eight hundred sixty-three million, eight hundred eighty-six thousand, four hundred twenty-nine".