2418891 has 4 divisors (see below), whose sum is σ = 3225192. Its totient is φ = 1612592.

The previous prime is 2418883. The next prime is 2418893. The reversal of 2418891 is 1988142.

2418891 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 2418891 - 2³ = 2418883 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 4⁹ + 1 + 8³ + 8⁷ + 9⁵ + 1 .

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2418893) 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, 403146 + ... + 403151.

It is an arithmetic number, because the mean of its divisors is an integer number (806298).

2^2418891 is an apocalyptic number.

2418891 is a deficient number, since it is larger than the sum of its proper divisors (806301).

2418891 is an equidigital number, since it uses as much as digits as its factorization.

2418891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806300.

The product of its digits is 4608, while the sum is 33.

The square root of 2418891 is about 1555.2784316642. The cubic root of 2418891 is about 134.2369572825.

It can be divided in two parts, 24 and 18891, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 2418891 in words is "two million, four hundred eighteen thousand, eight hundred ninety-one".