4054421 has 8 divisors (see below), whose sum is σ = 4712640. Its totient is φ = 3415968.

The previous prime is 4054411. The next prime is 4054451. The reversal of 4054421 is 1244504.

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 4054421 - 2¹⁰ = 4053397 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4054393 and 4054402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054411) 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, 4496 + ... + 5321.

It is an arithmetic number, because the mean of its divisors is an integer number (589080).

Almost surely, 2^4054421 is an apocalyptic number.

It is an amenable number.

4054421 is a deficient number, since it is larger than the sum of its proper divisors (658219).

4054421 is an equidigital number, since it uses as much as digits as its factorization.

4054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4054421 is about 2013.5592864378. The cubic root of 4054421 is about 159.4567644528.

Adding to 4054421 its reverse (1244504), we get a palindrome (5298925).

The spelling of 4054421 in words is "four million, fifty-four thousand, four hundred twenty-one".