2058666 has 16 divisors (see below), whose sum is σ = 4359744. Its totient is φ = 645824.

The previous prime is 2058653. The next prime is 2058671. The reversal of 2058666 is 6668502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9990 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (272484).

2^2058666 is an apocalyptic number.

2058666 is an abundant number, since it is smaller than the sum of its proper divisors (2301078).

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

2058666 is a wasteful number, since it uses less digits than its factorization.

2058666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20205.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2058666 is about 1434.8052132607. The cubic root of 2058666 is about 127.2121611331.

The spelling of 2058666 in words is "two million, fifty-eight thousand, six hundred sixty-six".