2852391 has 16 divisors (see below), whose sum is σ = 4034304. Its totient is φ = 1788864.

The previous prime is 2852389. The next prime is 2852401. The reversal of 2852391 is 1932582.

It is a happy number.

2852391 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 2852391 - 2¹ = 2852389 is a prime.

It is a super-2 number, since 2×2852391² = 16272268833762, which contains 22 as substring.

2852391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2852351) 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, 4315 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (252144).

2^2852391 is an apocalyptic number.

2852391 is a deficient number, since it is larger than the sum of its proper divisors (1181913).

2852391 is a wasteful number, since it uses less digits than its factorization.

2852391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

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

The square root of 2852391 is about 1688.9023062333. The cubic root of 2852391 is about 141.8196314701.

The spelling of 2852391 in words is "two million, eight hundred fifty-two thousand, three hundred ninety-one".