519968 has 12 divisors (see below), whose sum is σ = 1023750. Its totient is φ = 259968.

The previous prime is 519947. The next prime is 519971. The reversal of 519968 is 869915.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 94864 = 652^2 + 308^2 .

It is an unprimeable number.

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, 8093 + ... + 8156.

2⁵¹⁹⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

519968 is a deficient number, since it is larger than the sum of its proper divisors (503782).

519968 is a wasteful number, since it uses less digits than its factorization.

519968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16259 (or 16251 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 519968 is about 721.0880667436. The cubic root of 519968 is about 80.4128656094.

The spelling of 519968 in words is "five hundred nineteen thousand, nine hundred sixty-eight".