479839 has 2 divisors, whose sum is σ = 479840. Its totient is φ = 479838.

The previous prime is 479833. The next prime is 479861. The reversal of 479839 is 938974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479839 - 2⁹ = 479327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239919 + 239920.

It is an arithmetic number, because the mean of its divisors is an integer number (239920).

2⁴⁷⁹⁸³⁹ is an apocalyptic number.

479839 is a deficient number, since it is larger than the sum of its proper divisors (1).

479839 is an equidigital number, since it uses as much as digits as its factorization.

479839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 479839 is about 692.7041215411. The cubic root of 479839 is about 78.2885977654.

The spelling of 479839 in words is "four hundred seventy-nine thousand, eight hundred thirty-nine".