507838 has 4 divisors (see below), whose sum is σ = 761760. Its totient is φ = 253918.

The previous prime is 507827. The next prime is 507839. The reversal of 507838 is 838705.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126958 + ... + 126961.

It is an arithmetic number, because the mean of its divisors is an integer number (190440).

2⁵⁰⁷⁸³⁸ is an apocalyptic number.

507838 is a deficient number, since it is larger than the sum of its proper divisors (253922).

507838 is a wasteful number, since it uses less digits than its factorization.

507838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253921.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 507838 is about 712.6275324459. The cubic root of 507838 is about 79.7826391297.

The spelling of 507838 in words is "five hundred seven thousand, eight hundred thirty-eight".