499787 has 2 divisors, whose sum is σ = 499788. Its totient is φ = 499786.

The previous prime is 499781. The next prime is 499801. The reversal of 499787 is 787994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499787 is a prime.

It is not a weakly prime, because it can be changed into another prime (499781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249893 + 249894.

It is an arithmetic number, because the mean of its divisors is an integer number (249894).

2⁴⁹⁹⁷⁸⁷ is an apocalyptic number.

499787 is a deficient number, since it is larger than the sum of its proper divisors (1).

499787 is an equidigital number, since it uses as much as digits as its factorization.

499787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 44.

The square root of 499787 is about 706.9561513984. The cubic root of 499787 is about 79.3587804501.

The spelling of 499787 in words is "four hundred ninety-nine thousand, seven hundred eighty-seven".