4069429 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 3189312.

The previous prime is 4069421. The next prime is 4069433. The reversal of 4069429 is 9249604.

4069429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4069429 - 2³ = 4069421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4069394 and 4069403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069421) 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 15 ways as a sum of consecutive naturals, for example, 17814 + ... + 18040.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^4069429 is an apocalyptic number.

It is an amenable number.

4069429 is a deficient number, since it is larger than the sum of its proper divisors (986699).

4069429 is a wasteful number, since it uses less digits than its factorization.

4069429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 4069429 is about 2017.2825781234. The cubic root of 4069429 is about 159.6532726060.

The spelling of 4069429 in words is "four million, sixty-nine thousand, four hundred twenty-nine".