2087638 has 16 divisors (see below), whose sum is σ = 3667104. Its totient is φ = 872640.

The previous prime is 2087627. The next prime is 2087669. The reversal of 2087638 is 8367802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 2392.

It is an arithmetic number, because the mean of its divisors is an integer number (229194).

2^2087638 is an apocalyptic number.

2087638 is a deficient number, since it is larger than the sum of its proper divisors (1579466).

2087638 is a wasteful number, since it uses less digits than its factorization.

2087638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687.

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

The square root of 2087638 is about 1444.8660837600. The cubic root of 2087638 is about 127.8061437270.

The spelling of 2087638 in words is "two million, eighty-seven thousand, six hundred thirty-eight".