4333421 has 4 divisors (see below), whose sum is σ = 4351644. Its totient is φ = 4315200.

The previous prime is 4333391. The next prime is 4333423. The reversal of 4333421 is 1243334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3960100 + 373321 = 1990^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 4333421 - 2¹⁴ = 4317037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4333393 and 4333402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4333423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (1087911).

Almost surely, 2^4333421 is an apocalyptic number.

It is an amenable number.

4333421 is a deficient number, since it is larger than the sum of its proper divisors (18223).

4333421 is a wasteful number, since it uses less digits than its factorization.

4333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222.

The product of its digits is 864, while the sum is 20.

The square root of 4333421 is about 2081.6870562119. The cubic root of 4333421 is about 163.0335409668.

Adding to 4333421 its reverse (1243334), we get a palindrome (5576755).

The spelling of 4333421 in words is "four million, three hundred thirty-three thousand, four hundred twenty-one".