2921853 has 16 divisors (see below), whose sum is σ = 4366656. Its totient is φ = 1722240.

The previous prime is 2921819. The next prime is 2921861. The reversal of 2921853 is 3581292.

It is a happy number.

It is not a de Polignac number, because 2921853 - 2¹⁰ = 2920829 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2921853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921873) 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 15 ways as a sum of consecutive naturals, for example, 25 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (272916).

2^2921853 is an apocalyptic number.

It is an amenable number.

2921853 is a deficient number, since it is larger than the sum of its proper divisors (1444803).

2921853 is a wasteful number, since it uses less digits than its factorization.

2921853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 4320, while the sum is 30.

The square root of 2921853 is about 1709.3428561877. The cubic root of 2921853 is about 142.9616178144.

It can be divided in two parts, 292 and 1853, that added together give a triangular number (2145 = T₆₅).

The spelling of 2921853 in words is "two million, nine hundred twenty-one thousand, eight hundred fifty-three".