424904 has 8 divisors (see below), whose sum is σ = 796710. Its totient is φ = 212448.

The previous prime is 424903. The next prime is 424909. The reversal of 424904 is 409424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 62500 = 602^2 + 250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 424904.

It is not an unprimeable number, because it can be changed into a prime (424903) 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, 26549 + ... + 26564.

2⁴²⁴⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

424904 is a deficient number, since it is larger than the sum of its proper divisors (371806).

424904 is a wasteful number, since it uses less digits than its factorization.

424904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53119 (or 53115 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 424904 is about 651.8466077230. The cubic root of 424904 is about 75.1790684161.

The spelling of 424904 in words is "four hundred twenty-four thousand, nine hundred four".