2982021 has 16 divisors (see below), whose sum is σ = 4811904. Its totient is φ = 1603584.

The previous prime is 2982017. The next prime is 2982059. The reversal of 2982021 is 1202892.

It is not a de Polignac number, because 2982021 - 2² = 2982017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2981982 and 2982000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2982011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (300744).

2^2982021 is an apocalyptic number.

2982021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2982021 is a deficient number, since it is larger than the sum of its proper divisors (1829883).

2982021 is a wasteful number, since it uses less digits than its factorization.

2982021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2982021 is about 1726.8529178827. The cubic root of 2982021 is about 143.9362661631.

The spelling of 2982021 in words is "two million, nine hundred eighty-two thousand, twenty-one".