2067866 has 8 divisors (see below), whose sum is σ = 3108564. Its totient is φ = 1031680.

The previous prime is 2067853. The next prime is 2067883. The reversal of 2067866 is 6687602.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 177241 = 1375^2 + 421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 476 + ... + 2088.

2^2067866 is an apocalyptic number.

2067866 is a deficient number, since it is larger than the sum of its proper divisors (1040698).

2067866 is a wasteful number, since it uses less digits than its factorization.

2067866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2067866 is about 1438.0076494929. The cubic root of 2067866 is about 127.4013795877.

The spelling of 2067866 in words is "two million, sixty-seven thousand, eight hundred sixty-six".