539904349 has 4 divisors (see below), whose sum is σ = 545970780. Its totient is φ = 533837920.

The previous prime is 539904341. The next prime is 539904367. The reversal of 539904349 is 943409935.

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 40068900 + 499835449 = 6330^2 + 22357^2 .

It is a cyclic number.

It is not a de Polignac number, because 539904349 - 2³ = 539904341 is a prime.

It is a super-2 number, since 2×539904349² = 582993412138227602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539904299 and 539904308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539904341) 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, 3033082 + ... + 3033259.

It is an arithmetic number, because the mean of its divisors is an integer number (136492695).

Almost surely, 2^539904349 is an apocalyptic number.

It is an amenable number.

539904349 is a deficient number, since it is larger than the sum of its proper divisors (6066431).

539904349 is an equidigital number, since it uses as much as digits as its factorization.

539904349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066430.

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 539904349 is about 23235.8419042651. The cubic root of 539904349 is about 814.2772012579.

The spelling of 539904349 in words is "five hundred thirty-nine million, nine hundred four thousand, three hundred forty-nine".