4021343 has 8 divisors (see below), whose sum is σ = 4341600. Its totient is φ = 3713248.

The previous prime is 4021309. The next prime is 4021349. The reversal of 4021343 is 3431204.

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 4021343 - 2¹⁸ = 3759199 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 0 + 2²¹ + 1 + 3⁷ + 4⁹ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021349) 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, 2348 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (542700).

Almost surely, 2^4021343 is an apocalyptic number.

4021343 is a deficient number, since it is larger than the sum of its proper divisors (320257).

4021343 is a wasteful number, since it uses less digits than its factorization.

4021343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4021343 is about 2005.3286513686. The cubic root of 4021343 is about 159.0219370336.

Adding to 4021343 its reverse (3431204), we get a palindrome (7452547).

The spelling of 4021343 in words is "four million, twenty-one thousand, three hundred forty-three".