3866429 has 8 divisors (see below), whose sum is σ = 4678848. Its totient is φ = 3119040.

The previous prime is 3866419. The next prime is 3866437. The reversal of 3866429 is 9246683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3866429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3866392 and 3866401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866419) 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 7 ways as a sum of consecutive naturals, for example, 16127 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (584856).

Almost surely, 2^3866429 is an apocalyptic number.

It is an amenable number.

3866429 is a deficient number, since it is larger than the sum of its proper divisors (812419).

3866429 is a wasteful number, since it uses less digits than its factorization.

3866429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32515.

The product of its digits is 62208, while the sum is 38.

The square root of 3866429 is about 1966.3237271619. The cubic root of 3866429 is about 156.9531416545.

The spelling of 3866429 in words is "three million, eight hundred sixty-six thousand, four hundred twenty-nine".