1368816 has 20 divisors (see below), whose sum is σ = 3536232. Its totient is φ = 456256.

The previous prime is 1368811. The next prime is 1368827. The reversal of 1368816 is 6188631.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14211 + ... + 14306.

2^1368816 is an apocalyptic number.

1368816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1368816 is an abundant number, since it is smaller than the sum of its proper divisors (2167416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368816 is a wasteful number, since it uses less digits than its factorization.

1368816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28528 (or 28522 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1368816 is about 1169.9641020134. The cubic root of 1368816 is about 111.0320498312.

The spelling of 1368816 in words is "one million, three hundred sixty-eight thousand, eight hundred sixteen".