2027866 has 4 divisors (see below), whose sum is σ = 3041802. Its totient is φ = 1013932.

The previous prime is 2027843. The next prime is 2027869. The reversal of 2027866 is 6687202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 148225 = 1371^2 + 385^2 .

It is a super-2 number, since 2×2027866² = 8224481027912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2027869) by changing a digit.

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 as a sum of consecutive naturals, namely, 506965 + ... + 506968.

2^2027866 is an apocalyptic number.

2027866 is a deficient number, since it is larger than the sum of its proper divisors (1013936).

2027866 is a wasteful number, since it uses less digits than its factorization.

2027866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013935.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2027866 is about 1424.0316007730. The cubic root of 2027866 is about 126.5745575364.

The spelling of 2027866 in words is "two million, twenty-seven thousand, eight hundred sixty-six".