2657885 has 8 divisors (see below), whose sum is σ = 3234816. Its totient is φ = 2096080.

The previous prime is 2657867. The next prime is 2657887. The reversal of 2657885 is 5887562.

2657885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2657885 - 2¹⁰ = 2656861 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 6⁷ + 5⁸ + 7³ + 8² + 8⁵ + 5⁹ .

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657887) 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 7 ways as a sum of consecutive naturals, for example, 3389 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (404352).

2^2657885 is an apocalyptic number.

It is an amenable number.

2657885 is a deficient number, since it is larger than the sum of its proper divisors (576931).

2657885 is an equidigital number, since it uses as much as digits as its factorization.

2657885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563.

The product of its digits is 134400, while the sum is 41.

The square root of 2657885 is about 1630.3021192405. The cubic root of 2657885 is about 138.5198657790.

The spelling of 2657885 in words is "two million, six hundred fifty-seven thousand, eight hundred eighty-five".