2384639 has 8 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 2308096.

The previous prime is 2384623. The next prime is 2384647. The reversal of 2384639 is 9364832.

It is a happy number.

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 2384639 - 2⁴ = 2384623 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 3³ + 8³ + 4⁶ + 6⁷ + 3⁷ + 9³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2384599 and 2384608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2384609) 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, 5087 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (307800).

2^2384639 is an apocalyptic number.

2384639 is a deficient number, since it is larger than the sum of its proper divisors (77761).

2384639 is a wasteful number, since it uses less digits than its factorization.

2384639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 31104, while the sum is 35.

The square root of 2384639 is about 1544.2276386595. The cubic root of 2384639 is about 133.6003351074.

The spelling of 2384639 in words is "two million, three hundred eighty-four thousand, six hundred thirty-nine".