3021798 has 32 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 880416.

The previous prime is 3021797. The next prime is 3021833. The reversal of 3021798 is 8971203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021797) 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 15 ways as a sum of consecutive naturals, for example, 463 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 2^3021798 is an apocalyptic number.

3021798 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3021798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3427200).

3021798 is an abundant number, since it is smaller than the sum of its proper divisors (3832602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3021798 is a wasteful number, since it uses less digits than its factorization.

3021798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3021798 is about 1738.3319590918. The cubic root of 3021798 is about 144.5734272397.

The spelling of 3021798 in words is "three million, twenty-one thousand, seven hundred ninety-eight".