2119638 has 16 divisors (see below), whose sum is σ = 4253616. Its totient is φ = 704160.

The previous prime is 2119631. The next prime is 2119643. The reversal of 2119638 is 8369112.

2119638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2920 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (265851).

2^2119638 is an apocalyptic number.

2119638 is an abundant number, since it is smaller than the sum of its proper divisors (2133978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2119638 is a wasteful number, since it uses less digits than its factorization.

2119638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 2592, while the sum is 30.

The square root of 2119638 is about 1455.8976612386. The cubic root of 2119638 is about 128.4558534579.

The spelling of 2119638 in words is "two million, one hundred nineteen thousand, six hundred thirty-eight".