493905 has 16 divisors (see below), whose sum is σ = 832320. Its totient is φ = 249408.

The previous prime is 493897. The next prime is 493919. The reversal of 493905 is 509394.

It is not a de Polignac number, because 493905 - 2³ = 493897 is a prime.

493905 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (52020).

2⁴⁹³⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

493905 is a deficient number, since it is larger than the sum of its proper divisors (338415).

493905 is a wasteful number, since it uses less digits than its factorization.

493905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 493905 is about 702.7837505236. The cubic root of 493905 is about 79.0462262172.

The spelling of 493905 in words is "four hundred ninety-three thousand, nine hundred five".