4002429 has 8 divisors (see below), whose sum is σ = 5650560. Its totient is φ = 2511296.

The previous prime is 4002403. The next prime is 4002431. The reversal of 4002429 is 9242004.

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

It is a cyclic number.

It is not a de Polignac number, because 4002429 - 2⁷ = 4002301 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002499) 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 7 ways as a sum of consecutive naturals, for example, 39189 + ... + 39290.

It is an arithmetic number, because the mean of its divisors is an integer number (706320).

Almost surely, 2^4002429 is an apocalyptic number.

It is an amenable number.

4002429 is a deficient number, since it is larger than the sum of its proper divisors (1648131).

4002429 is a wasteful number, since it uses less digits than its factorization.

4002429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78499.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4002429 is about 2000.6071578398. The cubic root of 4002429 is about 158.7722303380.

The spelling of 4002429 in words is "four million, two thousand, four hundred twenty-nine".