2049555 has 16 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 1084128.

The previous prime is 2049547. The next prime is 2049569. The reversal of 2049555 is 5559402.

It is a happy number.

It is not a de Polignac number, because 2049555 - 2³ = 2049547 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1594 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

2^2049555 is an apocalyptic number.

2049555 is a deficient number, since it is larger than the sum of its proper divisors (1256685).

2049555 is a wasteful number, since it uses less digits than its factorization.

2049555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2049555 is about 1431.6266971526. The cubic root of 2049555 is about 127.0242167638.

The spelling of 2049555 in words is "two million, forty-nine thousand, five hundred fifty-five".