2638363 has 16 divisors (see below), whose sum is σ = 3297280. Its totient is φ = 2055456.

The previous prime is 2638357. The next prime is 2638367. The reversal of 2638363 is 3638362.

It is a happy number.

It is not a de Polignac number, because 2638363 - 2⁵ = 2638331 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 3⁶ + 8⁷ + 3⁸ + 6³ + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (2638367) 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, 7006 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (206080).

2^2638363 is an apocalyptic number.

2638363 is a deficient number, since it is larger than the sum of its proper divisors (658917).

2638363 is a wasteful number, since it uses less digits than its factorization.

2638363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its digits is 15552, while the sum is 31.

The square root of 2638363 is about 1624.3038508850. The cubic root of 2638363 is about 138.1798921209.

Subtracting 2638363 from its reverse (3638362), we obtain a palindrome (999999).

The spelling of 2638363 in words is "two million, six hundred thirty-eight thousand, three hundred sixty-three".