1396816 has 20 divisors (see below), whose sum is σ = 2748832. Its totient is φ = 687456.

The previous prime is 1396789. The next prime is 1396817. The reversal of 1396816 is 6186931.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421 + ... + 1723.

2^1396816 is an apocalyptic number.

1396816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1396816 is a deficient number, since it is larger than the sum of its proper divisors (1352016).

1396816 is a wasteful number, since it uses less digits than its factorization.

1396816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1372 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 1396816 is about 1181.8697051706. The cubic root of 1396816 is about 111.7840225588.

The spelling of 1396816 in words is "one million, three hundred ninety-six thousand, eight hundred sixteen".