2819853 has 20 divisors (see below), whose sum is σ = 4352128. Its totient is φ = 1817640.

The previous prime is 2819827. The next prime is 2819867. The reversal of 2819853 is 3589182.

It is not a de Polignac number, because 2819853 - 2¹³ = 2811661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1950 + ... + 3072.

2^2819853 is an apocalyptic number.

It is an amenable number.

2819853 is a deficient number, since it is larger than the sum of its proper divisors (1532275).

2819853 is a wasteful number, since it uses less digits than its factorization.

2819853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1157 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2819853 is about 1679.2417931912. The cubic root of 2819853 is about 141.2783095162.

It can be divided in two parts, 28 and 19853, that added together give a square (19881 = 141²).

The spelling of 2819853 in words is "two million, eight hundred nineteen thousand, eight hundred fifty-three".