2418661 has 8 divisors (see below), whose sum is σ = 2782080. Its totient is φ = 2059728.

The previous prime is 2418659. The next prime is 2418671. The reversal of 2418661 is 1668142.

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

It is a cyclic number.

It is not a de Polignac number, because 2418661 - 2¹ = 2418659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2418671) 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 7 ways as a sum of consecutive naturals, for example, 135 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

2^2418661 is an apocalyptic number.

It is an amenable number.

2418661 is a deficient number, since it is larger than the sum of its proper divisors (363419).

2418661 is a wasteful number, since it uses less digits than its factorization.

2418661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its digits is 2304, while the sum is 28.

The square root of 2418661 is about 1555.2044881622. The cubic root of 2418661 is about 134.2327025120.

The spelling of 2418661 in words is "two million, four hundred eighteen thousand, six hundred sixty-one".