4034221 has 8 divisors (see below), whose sum is σ = 4186080. Its totient is φ = 3884688.

The previous prime is 4034209. The next prime is 4034249. The reversal of 4034221 is 1224304.

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 4034221 - 2⁵ = 4034189 is a prime.

It is a pancake number, because a pancake can be divided into 4034221 parts by 2840 straight cuts.

It is a Duffinian number.

4034221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4034195 and 4034204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4034021) 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, 3450 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

Almost surely, 2^4034221 is an apocalyptic number.

It is an amenable number.

4034221 is a deficient number, since it is larger than the sum of its proper divisors (151859).

4034221 is a wasteful number, since it uses less digits than its factorization.

4034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4034221 is about 2008.5370297806. The cubic root of 4034221 is about 159.1915074424.

Adding to 4034221 its reverse (1224304), we get a palindrome (5258525).

It can be divided in two parts, 403 and 4221, that added together give a square (4624 = 68²).

The spelling of 4034221 in words is "four million, thirty-four thousand, two hundred twenty-one".