3809429 has 6 divisors (see below), whose sum is σ = 4125186. Its totient is φ = 3516240.

The previous prime is 3809423. The next prime is 3809431. The reversal of 3809429 is 9249083.

It can be written as a sum of positive squares in 3 ways, for example, as 96100 + 3713329 = 310^2 + 1927^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3809429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11102 + ... + 11439.

It is an arithmetic number, because the mean of its divisors is an integer number (687531).

Almost surely, 2^3809429 is an apocalyptic number.

It is an amenable number.

3809429 is a deficient number, since it is larger than the sum of its proper divisors (315757).

3809429 is a wasteful number, since it uses less digits than its factorization.

3809429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22567 (or 22554 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3809429 is about 1951.7758580329. The cubic root of 3809429 is about 156.1780374753.

The spelling of 3809429 in words is "three million, eight hundred nine thousand, four hundred twenty-nine".