4871998 has 8 divisors (see below), whose sum is σ = 7625808. Its totient is φ = 2330064.

The previous prime is 4871983. The next prime is 4872001. The reversal of 4871998 is 8991784.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 105913 = 4871998 / (4 + 8 + 7 + 1 + 9 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

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, 52911 + ... + 53002.

It is an arithmetic number, because the mean of its divisors is an integer number (953226).

Almost surely, 2^4871998 is an apocalyptic number.

4871998 is a deficient number, since it is larger than the sum of its proper divisors (2753810).

4871998 is a wasteful number, since it uses less digits than its factorization.

4871998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105938.

The product of its digits is 145152, while the sum is 46.

The square root of 4871998 is about 2207.2602927611. The cubic root of 4871998 is about 169.5257601605.

It can be divided in two parts, 487 and 1998, that added together give a triangular number (2485 = T₇₀).

The spelling of 4871998 in words is "four million, eight hundred seventy-one thousand, nine hundred ninety-eight".