493838 has 4 divisors (see below), whose sum is σ = 740760. Its totient is φ = 246918.

The previous prime is 493817. The next prime is 493853. The reversal of 493838 is 838394.

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

It is a junction number, because it is equal to n+sod(n) for n = 493798 and 493807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123458 + ... + 123461.

It is an arithmetic number, because the mean of its divisors is an integer number (185190).

2⁴⁹³⁸³⁸ is an apocalyptic number.

493838 is a deficient number, since it is larger than the sum of its proper divisors (246922).

493838 is a wasteful number, since it uses less digits than its factorization.

493838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246921.

The product of its digits is 20736, while the sum is 35.

The square root of 493838 is about 702.7360813278. The cubic root of 493838 is about 79.0426517534.

It can be divided in two parts, 493 and 838, that added together give a palindrome (1331).

The spelling of 493838 in words is "four hundred ninety-three thousand, eight hundred thirty-eight".