1073866 has 4 divisors (see below), whose sum is σ = 1610802. Its totient is φ = 536932.

The previous prime is 1073857. The next prime is 1073869. The reversal of 1073866 is 6683701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6683701 = 311 ⋅21491.

It can be written as a sum of positive squares in only one way, i.e., 848241 + 225625 = 921^2 + 475^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1073869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268465 + ... + 268468.

2^1073866 is an apocalyptic number.

1073866 is a deficient number, since it is larger than the sum of its proper divisors (536936).

1073866 is an equidigital number, since it uses as much as digits as its factorization.

1073866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536935.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1073866 is about 1036.2750600106. The cubic root of 1073866 is about 102.4039472966.

The spelling of 1073866 in words is "one million, seventy-three thousand, eight hundred sixty-six".