5404421 has 8 divisors (see below), whose sum is σ = 5984544. Its totient is φ = 4839120.

The previous prime is 5404403. The next prime is 5404433. The reversal of 5404421 is 1244045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-5404421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5404393 and 5404402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5404481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (748068).

Almost surely, 2^5404421 is an apocalyptic number.

It is an amenable number.

5404421 is a deficient number, since it is larger than the sum of its proper divisors (580123).

5404421 is a wasteful number, since it uses less digits than its factorization.

5404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411.

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

The square root of 5404421 is about 2324.7410608496. The cubic root of 5404421 is about 175.4889293158.

Adding to 5404421 its reverse (1244045), we get a palindrome (6648466).

The spelling of 5404421 in words is "five million, four hundred four thousand, four hundred twenty-one".