2638834 has 32 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 1106640.

The previous prime is 2638793. The next prime is 2638841. The reversal of 2638834 is 4388362.

It is a d-powerful number, because it can be written as 2¹³ + 6⁴ + 3⁶ + 8 + 8⁷ + 3¹² + 4² .

It is a self number, because there is not a number n which added to its sum of digits gives 2638834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24609 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^2638834 is an apocalyptic number.

2638834 is a deficient number, since it is larger than the sum of its proper divisors (2026766).

2638834 is a wasteful number, since it uses less digits than its factorization.

2638834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its digits is 27648, while the sum is 34.

The square root of 2638834 is about 1624.4488296034. The cubic root of 2638834 is about 138.1881142466.

It can be divided in two parts, 2 and 638834, that added together give a palindrome (638836).

The spelling of 2638834 in words is "two million, six hundred thirty-eight thousand, eight hundred thirty-four".