5420439 has 10 divisors (see below), whose sum is σ = 8097320. Its totient is φ = 3613572.

The previous prime is 5420431. The next prime is 5420449. The reversal of 5420439 is 9340245.

It is not a de Polignac number, because 5420439 - 2³ = 5420431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420431) 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 9 ways as a sum of consecutive naturals, for example, 33379 + ... + 33540.

It is an arithmetic number, because the mean of its divisors is an integer number (809732).

Almost surely, 2^5420439 is an apocalyptic number.

5420439 is a deficient number, since it is larger than the sum of its proper divisors (2676881).

5420439 is an equidigital number, since it uses as much as digits as its factorization.

5420439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66931 (or 66922 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5420439 is about 2328.1836267786. The cubic root of 5420439 is about 175.6621337537.

The spelling of 5420439 in words is "five million, four hundred twenty thousand, four hundred thirty-nine".