2634239 has 4 divisors (see below), whose sum is σ = 2673624. Its totient is φ = 2594856.

The previous prime is 2634227. The next prime is 2634241. The reversal of 2634239 is 9324362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9324362 = 2 ⋅4662181.

It is a cyclic number.

It is not a de Polignac number, because 2634239 - 2¹² = 2630143 is a prime.

It is a d-powerful number, because it can be written as 2 + 6⁴ + 3⁵ + 4⁶ + 2²¹ + 3¹² + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634139) 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 3 ways as a sum of consecutive naturals, for example, 19592 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (668406).

2^2634239 is an apocalyptic number.

2634239 is a deficient number, since it is larger than the sum of its proper divisors (39385).

2634239 is an equidigital number, since it uses as much as digits as its factorization.

2634239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39384.

The product of its digits is 7776, while the sum is 29.

The square root of 2634239 is about 1623.0338875082. The cubic root of 2634239 is about 138.1078586865.

The spelling of 2634239 in words is "two million, six hundred thirty-four thousand, two hundred thirty-nine".