5842421 has 4 divisors (see below), whose sum is σ = 6291852. Its totient is φ = 5392992.

The previous prime is 5842399. The next prime is 5842451. The reversal of 5842421 is 1242485.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 5499025 = 586^2 + 2345^2 .

It is a cyclic number.

It is not a de Polignac number, because 5842421 - 2¹⁰ = 5841397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5842451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224696 + ... + 224721.

It is an arithmetic number, because the mean of its divisors is an integer number (1572963).

Almost surely, 2^5842421 is an apocalyptic number.

It is an amenable number.

5842421 is a deficient number, since it is larger than the sum of its proper divisors (449431).

5842421 is a wasteful number, since it uses less digits than its factorization.

5842421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449430.

The product of its digits is 2560, while the sum is 26.

The square root of 5842421 is about 2417.1100512802. The cubic root of 5842421 is about 180.1071481397.

The spelling of 5842421 in words is "five million, eight hundred forty-two thousand, four hundred twenty-one".