2835921 has 16 divisors (see below), whose sum is σ = 4343040. Its totient is φ = 1627920.

The previous prime is 2835913. The next prime is 2835941. The reversal of 2835921 is 1295382.

It is a happy number.

2835921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2835921 - 2³ = 2835913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2835901) 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 15 ways as a sum of consecutive naturals, for example, 1635 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (271440).

2^2835921 is an apocalyptic number.

It is an amenable number.

2835921 is a deficient number, since it is larger than the sum of its proper divisors (1507119).

2835921 is a wasteful number, since it uses less digits than its factorization.

2835921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556.

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

The square root of 2835921 is about 1684.0192991768. The cubic root of 2835921 is about 141.5461440152.

The spelling of 2835921 in words is "two million, eight hundred thirty-five thousand, nine hundred twenty-one".