4999287 has 4 divisors (see below), whose sum is σ = 6665720. Its totient is φ = 3332856.

The previous prime is 4999273. The next prime is 4999297. The reversal of 4999287 is 7829994.

It is a happy number.

4999287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4999287 - 2⁸ = 4999031 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833212 + ... + 833217.

It is an arithmetic number, because the mean of its divisors is an integer number (1666430).

Almost surely, 2^4999287 is an apocalyptic number.

4999287 is a deficient number, since it is larger than the sum of its proper divisors (1666433).

4999287 is a wasteful number, since it uses less digits than its factorization.

4999287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666432.

The product of its digits is 326592, while the sum is 48.

The square root of 4999287 is about 2235.9085401689. The cubic root of 4999287 is about 170.9894661956.

The spelling of 4999287 in words is "four million, nine hundred ninety-nine thousand, two hundred eighty-seven".