503398 has 16 divisors (see below), whose sum is σ = 885024. Its totient is φ = 210240.

The previous prime is 503389. The next prime is 503407. The reversal of 503398 is 893305.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (503389) and next prime (503407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (55314).

2⁵⁰³³⁹⁸ is an apocalyptic number.

503398 is a deficient number, since it is larger than the sum of its proper divisors (381626).

503398 is a wasteful number, since it uses less digits than its factorization.

503398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 503398 is about 709.5054615716. The cubic root of 503398 is about 79.5494464490.

The spelling of 503398 in words is "five hundred three thousand, three hundred ninety-eight".