493999 has 4 divisors (see below), whose sum is σ = 538920. Its totient is φ = 449080.

The previous prime is 493993. The next prime is 494023. The reversal of 493999 is 999394.

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

It is a cyclic number.

It is not a de Polignac number, because 493999 - 2⁵ = 493967 is a prime.

It is a Duffinian number.

493999 is a modest number, since divided by 999 gives 493 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22444 + ... + 22465.

It is an arithmetic number, because the mean of its divisors is an integer number (134730).

2⁴⁹³⁹⁹⁹ is an apocalyptic number.

493999 is a deficient number, since it is larger than the sum of its proper divisors (44921).

493999 is a wasteful number, since it uses less digits than its factorization.

493999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44920.

The product of its digits is 78732, while the sum is 43.

The square root of 493999 is about 702.8506242439. The cubic root of 493999 is about 79.0512405917.

The spelling of 493999 in words is "four hundred ninety-three thousand, nine hundred ninety-nine".