5439819 has 16 divisors (see below), whose sum is σ = 9043200. Its totient is φ = 2825760.

The previous prime is 5439817. The next prime is 5439821. The reversal of 5439819 is 9189345.

It is an interprime number because it is at equal distance from previous prime (5439817) and next prime (5439821).

It is not a de Polignac number, because 5439819 - 2¹ = 5439817 is a prime.

It is a super-2 number, since 2×5439819² = 59183261505522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5439817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11544 + ... + 12005.

It is an arithmetic number, because the mean of its divisors is an integer number (565200).

Almost surely, 2^5439819 is an apocalyptic number.

5439819 is a deficient number, since it is larger than the sum of its proper divisors (3603381).

5439819 is a wasteful number, since it uses less digits than its factorization.

5439819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570.

The product of its digits is 38880, while the sum is 39.

The square root of 5439819 is about 2332.3419560605. The cubic root of 5439819 is about 175.8712363104.

The spelling of 5439819 in words is "five million, four hundred thirty-nine thousand, eight hundred nineteen".