4429421 has 8 divisors (see below), whose sum is σ = 4589184. Its totient is φ = 4272480.

The previous prime is 4429417. The next prime is 4429427. The reversal of 4429421 is 1249244.

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 4429421 - 2² = 4429417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2786 + ... + 4076.

It is an arithmetic number, because the mean of its divisors is an integer number (573648).

Almost surely, 2^4429421 is an apocalyptic number.

It is an amenable number.

4429421 is a deficient number, since it is larger than the sum of its proper divisors (159763).

4429421 is a wasteful number, since it uses less digits than its factorization.

4429421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411.

The product of its digits is 2304, while the sum is 26.

The square root of 4429421 is about 2104.6189678894. The cubic root of 4429421 is about 164.2286741578.

The spelling of 4429421 in words is "four million, four hundred twenty-nine thousand, four hundred twenty-one".