2138882 has 4 divisors (see below), whose sum is σ = 3208326. Its totient is φ = 1069440.

The previous prime is 2138879. The next prime is 2138897. The reversal of 2138882 is 2888312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2128681 + 10201 = 1459^2 + 101^2 .

It is a d-powerful number, because it can be written as 2⁵ + 1 + 3⁶ + 8 + 8⁵ + 8⁷ + 2¹³ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534719 + ... + 534722.

2^2138882 is an apocalyptic number.

2138882 is a deficient number, since it is larger than the sum of its proper divisors (1069444).

2138882 is a wasteful number, since it uses less digits than its factorization.

2138882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069443.

The product of its digits is 6144, while the sum is 32.

The square root of 2138882 is about 1462.4917093782. The cubic root of 2138882 is about 128.8434292162.

The spelling of 2138882 in words is "two million, one hundred thirty-eight thousand, eight hundred eighty-two".