2988021 has 8 divisors (see below), whose sum is σ = 3992800. Its totient is φ = 1987632.

The previous prime is 2988019. The next prime is 2988023. The reversal of 2988021 is 1208892.

It is an interprime number because it is at equal distance from previous prime (2988019) and next prime (2988023).

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

It is not a de Polignac number, because 2988021 - 2¹ = 2988019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2988021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155 + ... + 2703.

It is an arithmetic number, because the mean of its divisors is an integer number (499100).

2^2988021 is an apocalyptic number.

It is an amenable number.

2988021 is a deficient number, since it is larger than the sum of its proper divisors (1004779).

2988021 is a wasteful number, since it uses less digits than its factorization.

2988021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2988021 is about 1728.5893092346. The cubic root of 2988021 is about 144.0327375413.

The spelling of 2988021 in words is "two million, nine hundred eighty-eight thousand, twenty-one".