4334421 has 16 divisors (see below), whose sum is σ = 7113344. Its totient is φ = 2286144.

The previous prime is 4334417. The next prime is 4334441. The reversal of 4334421 is 1244334.

4334421 = T₃₃₉ + T₃₄₀ + ... + T₄₀₁.

It is not a de Polignac number, because 4334421 - 2² = 4334417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4334401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7666 + ... + 8211.

It is an arithmetic number, because the mean of its divisors is an integer number (444584).

Almost surely, 2^4334421 is an apocalyptic number.

It is an amenable number.

4334421 is a deficient number, since it is larger than the sum of its proper divisors (2778923).

4334421 is a wasteful number, since it uses less digits than its factorization.

4334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900.

The product of its digits is 1152, while the sum is 21.

The square root of 4334421 is about 2081.9272321577. The cubic root of 4334421 is about 163.0460807901.

Adding to 4334421 its reverse (1244334), we get a palindrome (5578755).

It can be divided in two parts, 43344 and 21, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 4334421 in words is "four million, three hundred thirty-four thousand, four hundred twenty-one".