481939 has 2 divisors, whose sum is σ = 481940. Its totient is φ = 481938.

The previous prime is 481909. The next prime is 481963. The reversal of 481939 is 939184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481939 - 2¹¹ = 479891 is a prime.

481939 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (481909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240969 + 240970.

It is an arithmetic number, because the mean of its divisors is an integer number (240970).

2⁴⁸¹⁹³⁹ is an apocalyptic number.

481939 is a deficient number, since it is larger than the sum of its proper divisors (1).

481939 is an equidigital number, since it uses as much as digits as its factorization.

481939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 481939 is about 694.2182653892. The cubic root of 481939 is about 78.4026407378.

The spelling of 481939 in words is "four hundred eighty-one thousand, nine hundred thirty-nine".