2066534 has 16 divisors (see below), whose sum is σ = 3205440. Its totient is φ = 998760.

The previous prime is 2066521. The next prime is 2066539. The reversal of 2066534 is 4356602.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9689 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (200340).

2^2066534 is an apocalyptic number.

2066534 is a deficient number, since it is larger than the sum of its proper divisors (1138906).

2066534 is a wasteful number, since it uses less digits than its factorization.

2066534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2066534 is about 1437.5444340959. The cubic root of 2066534 is about 127.3740188388.

The spelling of 2066534 in words is "two million, sixty-six thousand, five hundred thirty-four".