4005853 has 4 divisors (see below), whose sum is σ = 4056640. Its totient is φ = 3955068.

The previous prime is 4005847. The next prime is 4005889. The reversal of 4005853 is 3585004.

It is a happy number.

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 4005853 - 2⁵ = 4005821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25275 + ... + 25432.

It is an arithmetic number, because the mean of its divisors is an integer number (1014160).

Almost surely, 2^4005853 is an apocalyptic number.

It is an amenable number.

4005853 is a deficient number, since it is larger than the sum of its proper divisors (50787).

4005853 is an equidigital number, since it uses as much as digits as its factorization.

4005853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50786.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4005853 is about 2001.4627151161. The cubic root of 4005853 is about 158.8174929495.

The spelling of 4005853 in words is "four million, five thousand, eight hundred fifty-three".