499963 has 4 divisors (see below), whose sum is σ = 502128. Its totient is φ = 497800.

The previous prime is 499957. The next prime is 499969. The reversal of 499963 is 369994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369994 = 2 ⋅184997.

It is an interprime number because it is at equal distance from previous prime (499957) and next prime (499969).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499969) 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, 688 + ... + 1213.

It is an arithmetic number, because the mean of its divisors is an integer number (125532).

2⁴⁹⁹⁹⁶³ is an apocalyptic number.

499963 is a deficient number, since it is larger than the sum of its proper divisors (2165).

499963 is a wasteful number, since it uses less digits than its factorization.

499963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164.

The product of its digits is 52488, while the sum is 40.

The square root of 499963 is about 707.0806177516. The cubic root of 499963 is about 79.3680947555.

The spelling of 499963 in words is "four hundred ninety-nine thousand, nine hundred sixty-three".