2638323 has 6 divisors (see below), whose sum is σ = 3810924. Its totient is φ = 1758876.

The previous prime is 2638319. The next prime is 2638327. The reversal of 2638323 is 3238362.

2638323 is a `hidden beast` number, since 2 + 638 + 3 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (2638319) and next prime (2638327).

It is not a de Polignac number, because 2638323 - 2² = 2638319 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 6³ + 3⁴ + 8³ + 3⁶ + 2²¹ + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (2638327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146565 + ... + 146582.

It is an arithmetic number, because the mean of its divisors is an integer number (635154).

2^2638323 is an apocalyptic number.

2638323 is a deficient number, since it is larger than the sum of its proper divisors (1172601).

2638323 is a wasteful number, since it uses less digits than its factorization.

2638323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293153 (or 293150 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 2638323 is about 1624.2915378712. The cubic root of 2638323 is about 138.1791938061.

The spelling of 2638323 in words is "two million, six hundred thirty-eight thousand, three hundred twenty-three".