3869429 has 4 divisors (see below), whose sum is σ = 3924000. Its totient is φ = 3814860.

The previous prime is 3869417. The next prime is 3869461. The reversal of 3869429 is 9249683.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9249683 = 17 ⋅544099.

It is a cyclic number.

It is not a de Polignac number, because 3869429 - 2¹² = 3865333 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8⁷ + 6⁶ + 9² + 4³ + 2¹⁷ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27179 + ... + 27320.

It is an arithmetic number, because the mean of its divisors is an integer number (981000).

Almost surely, 2^3869429 is an apocalyptic number.

It is an amenable number.

3869429 is a deficient number, since it is larger than the sum of its proper divisors (54571).

3869429 is an equidigital number, since it uses as much as digits as its factorization.

3869429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570.

The product of its digits is 93312, while the sum is 41.

The square root of 3869429 is about 1967.0864241309. The cubic root of 3869429 is about 156.9937249848.

The spelling of 3869429 in words is "three million, eight hundred sixty-nine thousand, four hundred twenty-nine".