2638367 has 2 divisors, whose sum is σ = 2638368. Its totient is φ = 2638366.

The previous prime is 2638357. The next prime is 2638369. The reversal of 2638367 is 7638362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2638367 - 2¹⁰ = 2637343 is a prime.

Together with 2638369, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹³ + 6² + 3⁵ + 8⁷ + 3¹² + 6⁴ + 7 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2638369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319183 + 1319184.

It is an arithmetic number, because the mean of its divisors is an integer number (1319184).

2^2638367 is an apocalyptic number.

2638367 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638367 is an equidigital number, since it uses as much as digits as its factorization.

2638367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 2638367 is about 1624.3050821813. The cubic root of 2638367 is about 138.1799619520.

The spelling of 2638367 in words is "two million, six hundred thirty-eight thousand, three hundred sixty-seven".