2055678 has 16 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 673496.

The previous prime is 2055673. The next prime is 2055679. The reversal of 2055678 is 8765502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (261360).

2^2055678 is an apocalyptic number.

2055678 is an abundant number, since it is smaller than the sum of its proper divisors (2126082).

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

2055678 is a wasteful number, since it uses less digits than its factorization.

2055678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2055678 is about 1433.7635788372. The cubic root of 2055678 is about 127.1505850143.

The spelling of 2055678 in words is "two million, fifty-five thousand, six hundred seventy-eight".