1368866 has 4 divisors (see below), whose sum is σ = 2053302. Its totient is φ = 684432.

The previous prime is 1368847. The next prime is 1368869. The reversal of 1368866 is 6688631.

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., 1256641 + 112225 = 1121^2 + 335^2 .

It is not an unprimeable number, because it can be changed into a prime (1368869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342215 + ... + 342218.

2^1368866 is an apocalyptic number.

1368866 is a deficient number, since it is larger than the sum of its proper divisors (684436).

1368866 is an equidigital number, since it uses as much as digits as its factorization.

1368866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684435.

The product of its digits is 41472, while the sum is 38.

The square root of 1368866 is about 1169.9854699952. The cubic root of 1368866 is about 111.0334017380.

The spelling of 1368866 in words is "one million, three hundred sixty-eight thousand, eight hundred sixty-six".