4799887 has 4 divisors (see below), whose sum is σ = 4804360. Its totient is φ = 4795416.

The previous prime is 4799867. The next prime is 4799897. The reversal of 4799887 is 7889974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7889974 = 2 ⋅3944987.

It is a 3-Lehmer number, since φ(4799887) divides (4799887-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4799887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4799857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448 + ... + 3130.

It is an arithmetic number, because the mean of its divisors is an integer number (1201090).

Almost surely, 2^4799887 is an apocalyptic number.

4799887 is the 1789-th pentagonal number.

4799887 is a deficient number, since it is larger than the sum of its proper divisors (4473).

4799887 is a wasteful number, since it uses less digits than its factorization.

4799887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its digits is 1016064, while the sum is 52.

The square root of 4799887 is about 2190.8644412651. The cubic root of 4799887 is about 168.6852093293.

The spelling of 4799887 in words is "four million, seven hundred ninety-nine thousand, eight hundred eighty-seven".