2638335 has 16 divisors (see below), whose sum is σ = 4824576. Its totient is φ = 1206048.

The previous prime is 2638331. The next prime is 2638357. The reversal of 2638335 is 5338362.

It is not a de Polignac number, because 2638335 - 2² = 2638331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12459 + ... + 12668.

It is an arithmetic number, because the mean of its divisors is an integer number (301536).

2^2638335 is an apocalyptic number.

2638335 is a deficient number, since it is larger than the sum of its proper divisors (2186241).

2638335 is a wasteful number, since it uses less digits than its factorization.

2638335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25142.

The product of its digits is 12960, while the sum is 30.

The square root of 2638335 is about 1624.2952317852. The cubic root of 2638335 is about 138.1794033013.

The spelling of 2638335 in words is "two million, six hundred thirty-eight thousand, three hundred thirty-five".