503979 has 16 divisors (see below), whose sum is σ = 778752. Its totient is φ = 283968.

The previous prime is 503969. The next prime is 503983. The reversal of 503979 is 979305.

It is not a de Polignac number, because 503979 - 2⁴ = 503963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503929) 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 in 15 ways as a sum of consecutive naturals, for example, 2047 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (48672).

2⁵⁰³⁹⁷⁹ is an apocalyptic number.

503979 is a deficient number, since it is larger than the sum of its proper divisors (274773).

503979 is a wasteful number, since it uses less digits than its factorization.

503979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 503979 is about 709.9147836184. The cubic root of 503979 is about 79.5800388489.

The spelling of 503979 in words is "five hundred three thousand, nine hundred seventy-nine".