4821998 has 4 divisors (see below), whose sum is σ = 7233000. Its totient is φ = 2410998.

The previous prime is 4821997. The next prime is 4822001. The reversal of 4821998 is 8991284.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821997) 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 as a sum of consecutive naturals, namely, 1205498 + ... + 1205501.

It is an arithmetic number, because the mean of its divisors is an integer number (1808250).

Almost surely, 2^4821998 is an apocalyptic number.

4821998 is a deficient number, since it is larger than the sum of its proper divisors (2411002).

4821998 is a wasteful number, since it uses less digits than its factorization.

4821998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411001.

The product of its digits is 41472, while the sum is 41.

The square root of 4821998 is about 2195.9048248957. The cubic root of 4821998 is about 168.9438325070.

The spelling of 4821998 in words is "four million, eight hundred twenty-one thousand, nine hundred ninety-eight".