481439 has 4 divisors (see below), whose sum is σ = 550224. Its totient is φ = 412656.

The previous prime is 481433. The next prime is 481447. The reversal of 481439 is 934184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481439.

It is not an unprimeable number, because it can be changed into a prime (481433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34382 + ... + 34395.

It is an arithmetic number, because the mean of its divisors is an integer number (137556).

2⁴⁸¹⁴³⁹ is an apocalyptic number.

481439 is a deficient number, since it is larger than the sum of its proper divisors (68785).

481439 is an equidigital number, since it uses as much as digits as its factorization.

481439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68784.

The product of its digits is 3456, while the sum is 29.

The square root of 481439 is about 693.8580546481. The cubic root of 481439 is about 78.3755177444.

The spelling of 481439 in words is "four hundred eighty-one thousand, four hundred thirty-nine".