4349021 has 8 divisors (see below), whose sum is σ = 4575744. Its totient is φ = 4127760.

The previous prime is 4349011. The next prime is 4349027. The reversal of 4349021 is 1209434.

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 4349021 - 2¹⁰ = 4347997 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 (4349027) 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 7 ways as a sum of consecutive naturals, for example, 320 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (571968).

Almost surely, 2^4349021 is an apocalyptic number.

It is an amenable number.

4349021 is a deficient number, since it is larger than the sum of its proper divisors (226723).

4349021 is a wasteful number, since it uses less digits than its factorization.

4349021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4349021 is about 2085.4306509688. The cubic root of 4349021 is about 163.2289429676.

The spelling of 4349021 in words is "four million, three hundred forty-nine thousand, twenty-one".