2418681 has 8 divisors (see below), whose sum is σ = 3394720. Its totient is φ = 1527552.

The previous prime is 2418679. The next prime is 2418683. The reversal of 2418681 is 1868142.

It is an interprime number because it is at equal distance from previous prime (2418679) and next prime (2418683).

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

It is not a de Polignac number, because 2418681 - 2¹ = 2418679 is a prime.

It is a super-2 number, since 2×2418681² = 11700035559522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2418683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21160 + ... + 21273.

It is an arithmetic number, because the mean of its divisors is an integer number (424340).

2^2418681 is an apocalyptic number.

It is an amenable number.

2418681 is a deficient number, since it is larger than the sum of its proper divisors (976039).

2418681 is a wasteful number, since it uses less digits than its factorization.

2418681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42455.

The product of its digits is 3072, while the sum is 30.

The square root of 2418681 is about 1555.2109181716. The cubic root of 2418681 is about 134.2330725027.

The spelling of 2418681 in words is "two million, four hundred eighteen thousand, six hundred eighty-one".