5420843 has 4 divisors (see below), whose sum is σ = 5432640. Its totient is φ = 5409048.

The previous prime is 5420827. The next prime is 5420851. The reversal of 5420843 is 3480245.

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

It is a cyclic number.

It is not a de Polignac number, because 5420843 - 2⁴ = 5420827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420803) 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, 5180 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (1358160).

Almost surely, 2^5420843 is an apocalyptic number.

5420843 is a deficient number, since it is larger than the sum of its proper divisors (11797).

5420843 is a wasteful number, since it uses less digits than its factorization.

5420843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5420843 is about 2328.2703880778. The cubic root of 5420843 is about 175.6664978369. Note that the first 3 decimals are identical.

The spelling of 5420843 in words is "five million, four hundred twenty thousand, eight hundred forty-three".