2921024 has 14 divisors (see below), whose sum is σ = 5796534. Its totient is φ = 1460480.

The previous prime is 2920987. The next prime is 2921027. The reversal of 2921024 is 4201292.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 462400 = 1568^2 + 680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2920987 and 2921005.

It is not an unprimeable number, because it can be changed into a prime (2921027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22757 + ... + 22884.

2^2921024 is an apocalyptic number.

It is an amenable number.

2921024 is a deficient number, since it is larger than the sum of its proper divisors (2875510).

2921024 is an equidigital number, since it uses as much as digits as its factorization.

2921024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45653 (or 45643 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2921024 is about 1709.1003481364. The cubic root of 2921024 is about 142.9480959852.

The spelling of 2921024 in words is "two million, nine hundred twenty-one thousand, twenty-four".