2138884 has 12 divisors (see below), whose sum is σ = 4083408. Its totient is φ = 972200.

The previous prime is 2138879. The next prime is 2138897. The reversal of 2138884 is 4888312.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 3⁵ + 8³ + 8⁵ + 8⁷ + 4² .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24262 + ... + 24349.

It is an arithmetic number, because the mean of its divisors is an integer number (340284).

2^2138884 is an apocalyptic number.

It is an amenable number.

2138884 is a deficient number, since it is larger than the sum of its proper divisors (1944524).

2138884 is a wasteful number, since it uses less digits than its factorization.

2138884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48626 (or 48624 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 2138884 is about 1462.4923931426. The cubic root of 2138884 is about 128.8434693753.

The spelling of 2138884 in words is "two million, one hundred thirty-eight thousand, eight hundred eighty-four".