4304421 has 20 divisors (see below), whose sum is σ = 7016064. Its totient is φ = 2608200.

The previous prime is 4304407. The next prime is 4304423. The reversal of 4304421 is 1244034.

It is not a de Polignac number, because 4304421 - 2⁵ = 4304389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4304394 and 4304403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1525 + ... + 3306.

Almost surely, 2^4304421 is an apocalyptic number.

It is an amenable number.

4304421 is a deficient number, since it is larger than the sum of its proper divisors (2711643).

4304421 is a wasteful number, since it uses less digits than its factorization.

4304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854 (or 4845 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4304421 is about 2074.7098592333. The cubic root of 4304421 is about 162.6690438117.

Adding to 4304421 its reverse (1244034), we get a palindrome (5548455).

It can be divided in two parts, 430 and 4421, that added together give a triangular number (4851 = T₉₈).

The spelling of 4304421 in words is "four million, three hundred four thousand, four hundred twenty-one".