2355885 has 48 divisors (see below), whose sum is σ = 4857216. Its totient is φ = 1073088.

The previous prime is 2355883. The next prime is 2355889. The reversal of 2355885 is 5885532.

2355885 is a `hidden beast` number, since 23 + 558 + 85 = 666.

It is not a de Polignac number, because 2355885 - 2¹ = 2355883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8367 + ... + 8643.

It is an arithmetic number, because the mean of its divisors is an integer number (101192).

2^2355885 is an apocalyptic number.

It is an amenable number.

2355885 is an abundant number, since it is smaller than the sum of its proper divisors (2501331).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2355885 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (2355886) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (304).

2355885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 292 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 2355885 is about 1534.8892468188. The cubic root of 2355885 is about 133.0611775009.

It can be divided in two parts, 2355 and 885, that added together give a triangular number (3240 = T₈₀).

The spelling of 2355885 in words is "two million, three hundred fifty-five thousand, eight hundred eighty-five".