2066536 has 8 divisors (see below), whose sum is σ = 3874770. Its totient is φ = 1033264.

The previous prime is 2066521. The next prime is 2066539. The reversal of 2066536 is 6356602.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 244036 = 1350^2 + 494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129151 + ... + 129166.

2^2066536 is an apocalyptic number.

It is an amenable number.

2066536 is a deficient number, since it is larger than the sum of its proper divisors (1808234).

2066536 is a wasteful number, since it uses less digits than its factorization.

2066536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258323 (or 258319 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2066536 is about 1437.5451297264. The cubic root of 2066536 is about 127.3740599298.

The spelling of 2066536 in words is "two million, sixty-six thousand, five hundred thirty-six".