2021488 has 20 divisors (see below), whose sum is σ = 4476400. Its totient is φ = 866304.

The previous prime is 2021471. The next prime is 2021489. The reversal of 2021488 is 8841202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021489) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8913 + ... + 9136.

It is an arithmetic number, because the mean of its divisors is an integer number (223820).

2^2021488 is an apocalyptic number.

2021488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2021488 is an abundant number, since it is smaller than the sum of its proper divisors (2454912).

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

2021488 is a wasteful number, since it uses less digits than its factorization.

2021488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18064 (or 18058 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2021488 is about 1421.7904205613. The cubic root of 2021488 is about 126.4417183236.

It can be divided in two parts, 20214 and 88, that added together give a palindrome (20302).

The spelling of 2021488 in words is "two million, twenty-one thousand, four hundred eighty-eight".