1366808 has 8 divisors (see below), whose sum is σ = 2562780. Its totient is φ = 683400.

The previous prime is 1366801. The next prime is 1366829. The reversal of 1366808 is 8086631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85418 + ... + 85433.

2^1366808 is an apocalyptic number.

It is an amenable number.

1366808 is a deficient number, since it is larger than the sum of its proper divisors (1195972).

1366808 is a wasteful number, since it uses less digits than its factorization.

1366808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170857 (or 170853 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1366808 is about 1169.1056410778. The cubic root of 1366808 is about 110.9777300235.

The spelling of 1366808 in words is "one million, three hundred sixty-six thousand, eight hundred eight".