2105388 has 36 divisors (see below), whose sum is σ = 5366088. Its totient is φ = 696000.

The previous prime is 2105381. The next prime is 2105407. The reversal of 2105388 is 8835012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2105381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8263 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (149058).

2^2105388 is an apocalyptic number.

It is an amenable number.

2105388 is an abundant number, since it is smaller than the sum of its proper divisors (3260700).

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

2105388 is a wasteful number, since it uses less digits than its factorization.

2105388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2105388 is about 1450.9955203239. The cubic root of 2105388 is about 128.1673429749.

The spelling of 2105388 in words is "two million, one hundred five thousand, three hundred eighty-eight".