493815 has 16 divisors (see below), whose sum is σ = 903168. Its totient is φ = 225696.

The previous prime is 493813. The next prime is 493817. The reversal of 493815 is 518394.

It is an interprime number because it is at equal distance from previous prime (493813) and next prime (493817).

It is not a de Polignac number, because 493815 - 2¹ = 493813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2⁴⁹³⁸¹⁵ is an apocalyptic number.

493815 is a deficient number, since it is larger than the sum of its proper divisors (409353).

493815 is a wasteful number, since it uses less digits than its factorization.

493815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

The product of its digits is 4320, while the sum is 30.

The square root of 493815 is about 702.7197165300. The cubic root of 493815 is about 79.0414246241.

The spelling of 493815 in words is "four hundred ninety-three thousand, eight hundred fifteen".