2384681 has 4 divisors (see below), whose sum is σ = 2568132. Its totient is φ = 2201232.

The previous prime is 2384659. The next prime is 2384689. The reversal of 2384681 is 1864832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 469225 + 1915456 = 685^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2384681 - 2¹⁰ = 2383657 is a prime.

It is a super-2 number, since 2×2384681² = 11373406943522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2384689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91706 + ... + 91731.

It is an arithmetic number, because the mean of its divisors is an integer number (642033).

2^2384681 is an apocalyptic number.

It is an amenable number.

2384681 is a deficient number, since it is larger than the sum of its proper divisors (183451).

2384681 is a wasteful number, since it uses less digits than its factorization.

2384681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183450.

The product of its digits is 9216, while the sum is 32.

The square root of 2384681 is about 1544.2412376310. The cubic root of 2384681 is about 133.6011194583.

The spelling of 2384681 in words is "two million, three hundred eighty-four thousand, six hundred eighty-one".