503742 has 16 divisors (see below), whose sum is σ = 1025280. Its totient is φ = 164952.

The previous prime is 503717. The next prime is 503743. The reversal of 503742 is 247305.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503742.

It is not an unprimeable number, because it can be changed into a prime (503743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358 + ... + 1065.

It is an arithmetic number, because the mean of its divisors is an integer number (64080).

2⁵⁰³⁷⁴² is an apocalyptic number.

503742 is an abundant number, since it is smaller than the sum of its proper divisors (521538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503742 is a wasteful number, since it uses less digits than its factorization.

503742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 503742 is about 709.7478425469. The cubic root of 503742 is about 79.5675625179.

The spelling of 503742 in words is "five hundred three thousand, seven hundred forty-two".