2334639 has 4 divisors (see below), whose sum is σ = 3112856. Its totient is φ = 1556424.

The previous prime is 2334623. The next prime is 2334643. The reversal of 2334639 is 9364332.

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

It is not a de Polignac number, because 2334639 - 2⁴ = 2334623 is a prime.

It is a D-number.

It is a Duffinian number.

2334639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2334679) 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, 389104 + ... + 389109.

It is an arithmetic number, because the mean of its divisors is an integer number (778214).

2^2334639 is an apocalyptic number.

2334639 is a deficient number, since it is larger than the sum of its proper divisors (778217).

2334639 is an equidigital number, since it uses as much as digits as its factorization.

2334639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778216.

The product of its digits is 11664, while the sum is 30.

The square root of 2334639 is about 1527.9525516193. The cubic root of 2334639 is about 132.6599752804.

It can be divided in two parts, 23 and 34639, that multiplied together give a palindrome (796697).

The spelling of 2334639 in words is "two million, three hundred thirty-four thousand, six hundred thirty-nine".