2980021 has 8 divisors (see below), whose sum is σ = 3276000. Its totient is φ = 2688240.

The previous prime is 2980007. The next prime is 2980027. The reversal of 2980021 is 1200892.

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

It is a cyclic number.

It is not a de Polignac number, because 2980021 - 2⁵ = 2979989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2979974 and 2980001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980027) 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 7 ways as a sum of consecutive naturals, for example, 555 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

2^2980021 is an apocalyptic number.

It is an amenable number.

2980021 is a deficient number, since it is larger than the sum of its proper divisors (295979).

2980021 is a wasteful number, since it uses less digits than its factorization.

2980021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2980021 is about 1726.2737326392. The cubic root of 2980021 is about 143.9040802827.

The spelling of 2980021 in words is "two million, nine hundred eighty thousand, twenty-one".