424939 has 2 divisors, whose sum is σ = 424940. Its totient is φ = 424938.

The previous prime is 424913. The next prime is 424961. The reversal of 424939 is 939424.

424939 is nontrivially palindromic in base 14.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424939 - 2⁷ = 424811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424939.

It is not a weakly prime, because it can be changed into another prime (424909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212469 + 212470.

It is an arithmetic number, because the mean of its divisors is an integer number (212470).

2⁴²⁴⁹³⁹ is an apocalyptic number.

424939 is a deficient number, since it is larger than the sum of its proper divisors (1).

424939 is an equidigital number, since it uses as much as digits as its factorization.

424939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 424939 is about 651.8734539771. The cubic root of 424939 is about 75.1811325648.

The spelling of 424939 in words is "four hundred twenty-four thousand, nine hundred thirty-nine".