2870291 has 4 divisors (see below), whose sum is σ = 2919000. Its totient is φ = 2821584.

The previous prime is 2870279. The next prime is 2870323. The reversal of 2870291 is 1920782.

It is a happy number.

2870291 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.

It is a cyclic number.

It is not a de Polignac number, because 2870291 - 2⁶ = 2870227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2870591) 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, 24266 + ... + 24383.

It is an arithmetic number, because the mean of its divisors is an integer number (729750).

2^2870291 is an apocalyptic number.

2870291 is a deficient number, since it is larger than the sum of its proper divisors (48709).

2870291 is an equidigital number, since it uses as much as digits as its factorization.

2870291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48708.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2870291 is about 1694.1933183672. The cubic root of 2870291 is about 142.1156731214.

The spelling of 2870291 in words is "two million, eight hundred seventy thousand, two hundred ninety-one".