2638087 has 2 divisors, whose sum is σ = 2638088. Its totient is φ = 2638086.

The previous prime is 2638073. The next prime is 2638177. The reversal of 2638087 is 7808362.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2638087 - 2⁷ = 2637959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2638057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319043 + 1319044.

It is an arithmetic number, because the mean of its divisors is an integer number (1319044).

2^2638087 is an apocalyptic number.

2638087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638087 is an equidigital number, since it uses as much as digits as its factorization.

2638087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2638087 is about 1624.2188891895. The cubic root of 2638087 is about 138.1750736053.

The spelling of 2638087 in words is "two million, six hundred thirty-eight thousand, eighty-seven".