3868429 has 4 divisors (see below), whose sum is σ = 3950784. Its totient is φ = 3786076.

The previous prime is 3868427. The next prime is 3868441. The reversal of 3868429 is 9248683.

3868429 = T₃₈₂ + T₃₈₃ + ... + T₄₂₈.

3868429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3868429 - 2¹ = 3868427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3868391 and 3868400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41107 + ... + 41200.

It is an arithmetic number, because the mean of its divisors is an integer number (987696).

Almost surely, 2^3868429 is an apocalyptic number.

It is an amenable number.

3868429 is a deficient number, since it is larger than the sum of its proper divisors (82355).

3868429 is an equidigital number, since it uses as much as digits as its factorization.

3868429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82354.

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

The square root of 3868429 is about 1966.8322246699. The cubic root of 3868429 is about 156.9801995395.

The spelling of 3868429 in words is "three million, eight hundred sixty-eight thousand, four hundred twenty-nine".