2853421 has 4 divisors (see below), whose sum is σ = 2865600. Its totient is φ = 2841244.

The previous prime is 2853413. The next prime is 2853427. The reversal of 2853421 is 1243582.

2853421 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 a cyclic number.

It is not a de Polignac number, because 2853421 - 2³ = 2853413 is a prime.

It is a super-2 number, since 2×2853421² = 16284022806482, which contains 22 as substring.

It is a Duffinian number.

2853421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2853427) 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, 5731 + ... + 6208.

It is an arithmetic number, because the mean of its divisors is an integer number (716400).

2^2853421 is an apocalyptic number.

It is an amenable number.

2853421 is a deficient number, since it is larger than the sum of its proper divisors (12179).

2853421 is a wasteful number, since it uses less digits than its factorization.

2853421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12178.

The product of its digits is 1920, while the sum is 25.

The square root of 2853421 is about 1689.2072104985. The cubic root of 2853421 is about 141.8366997988.

The spelling of 2853421 in words is "two million, eight hundred fifty-three thousand, four hundred twenty-one".