2853993 has 4 divisors (see below), whose sum is σ = 3805328. Its totient is φ = 1902660.

The previous prime is 2853989. The next prime is 2854003. The reversal of 2853993 is 3993582.

2853993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2853993 - 2² = 2853989 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 8⁶ + 5⁸ + 3³ + 9⁵ + 9⁶ + 3¹³ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2853913) 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, 475663 + ... + 475668.

It is an arithmetic number, because the mean of its divisors is an integer number (951332).

2^2853993 is an apocalyptic number.

It is an amenable number.

2853993 is a deficient number, since it is larger than the sum of its proper divisors (951335).

2853993 is an equidigital number, since it uses as much as digits as its factorization.

2853993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951334.

The product of its digits is 58320, while the sum is 39.

The square root of 2853993 is about 1689.3765122080. The cubic root of 2853993 is about 141.8461767474.

It can be divided in two parts, 285 and 3993, that added together give a triangular number (4278 = T₉₂).

The spelling of 2853993 in words is "two million, eight hundred fifty-three thousand, nine hundred ninety-three".