2021248 has 16 divisors (see below), whose sum is σ = 4026960. Its totient is φ = 1010560.

The previous prime is 2021237. The next prime is 2021251. The reversal of 2021248 is 8421202.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7768 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (251685).

2^2021248 is an apocalyptic number.

It is an amenable number.

2021248 is a deficient number, since it is larger than the sum of its proper divisors (2005712).

2021248 is an equidigital number, since it uses as much as digits as its factorization.

2021248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805 (or 15793 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2021248 is about 1421.7060174312. The cubic root of 2021248 is about 126.4367142188.

The spelling of 2021248 in words is "two million, twenty-one thousand, two hundred forty-eight".