499893 has 4 divisors (see below), whose sum is σ = 666528. Its totient is φ = 333260.

The previous prime is 499883. The next prime is 499897. The reversal of 499893 is 398994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499893 - 2⁸ = 499637 is a prime.

It is a super-2 number, since 2×499893² = 499786022898, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499897) 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, 83313 + ... + 83318.

It is an arithmetic number, because the mean of its divisors is an integer number (166632).

2⁴⁹⁹⁸⁹³ is an apocalyptic number.

It is an amenable number.

499893 is a deficient number, since it is larger than the sum of its proper divisors (166635).

499893 is a wasteful number, since it uses less digits than its factorization.

499893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166634.

The product of its digits is 69984, while the sum is 42.

The square root of 499893 is about 707.0311167127. The cubic root of 499893 is about 79.3643904641.

The spelling of 499893 in words is "four hundred ninety-nine thousand, eight hundred ninety-three".