477439 has 2 divisors, whose sum is σ = 477440. Its totient is φ = 477438.

The previous prime is 477409. The next prime is 477461. The reversal of 477439 is 934774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477439 - 2¹⁵ = 444671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477409) 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 as a sum of consecutive naturals, namely, 238719 + 238720.

It is an arithmetic number, because the mean of its divisors is an integer number (238720).

2⁴⁷⁷⁴³⁹ is an apocalyptic number.

477439 is a deficient number, since it is larger than the sum of its proper divisors (1).

477439 is an equidigital number, since it uses as much as digits as its factorization.

477439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 34.

The square root of 477439 is about 690.9696085936. The cubic root of 477439 is about 78.1578547680.

The spelling of 477439 in words is "four hundred seventy-seven thousand, four hundred thirty-nine".