2638835 has 8 divisors (see below), whose sum is σ = 3178656. Its totient is φ = 2103040.

The previous prime is 2638793. The next prime is 2638841. The reversal of 2638835 is 5388362.

2638835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2638835 - 2⁶ = 2638771 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 3⁸ + 8 + 8³ + 3¹² + 5⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2638795 and 2638804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (397332).

2^2638835 is an apocalyptic number.

2638835 is a deficient number, since it is larger than the sum of its proper divisors (539821).

2638835 is a wasteful number, since it uses less digits than its factorization.

2638835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its digits is 34560, while the sum is 35.

The square root of 2638835 is about 1624.4491374001. The cubic root of 2638835 is about 138.1881317023.

The spelling of 2638835 in words is "two million, six hundred thirty-eight thousand, eight hundred thirty-five".