3886429 has 2 divisors, whose sum is σ = 3886430. Its totient is φ = 3886428.

The previous prime is 3886423. The next prime is 3886433. The reversal of 3886429 is 9246883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 806404 = 1755^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 3886429 - 2⁵ = 3886397 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3886391 and 3886400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3886423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943214 + 1943215.

It is an arithmetic number, because the mean of its divisors is an integer number (1943215).

Almost surely, 2^3886429 is an apocalyptic number.

It is an amenable number.

3886429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3886429 is an equidigital number, since it uses as much as digits as its factorization.

3886429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 3886429 is about 1971.4028000386. The cubic root of 3886429 is about 157.2233018655.

The spelling of 3886429 in words is "three million, eight hundred eighty-six thousand, four hundred twenty-nine".