1383816 has 32 divisors (see below), whose sum is σ = 3954240. Its totient is φ = 395328.

The previous prime is 1383803. The next prime is 1383829. The reversal of 1383816 is 6183831.

It is an interprime number because it is at equal distance from previous prime (1383803) and next prime (1383829).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3951 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (123570).

2^1383816 is an apocalyptic number.

It is an amenable number.

1383816 is an abundant number, since it is smaller than the sum of its proper divisors (2570424).

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

1383816 is a wasteful number, since it uses less digits than its factorization.

1383816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253 (or 8249 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 1383816 is about 1176.3570886427. The cubic root of 1383816 is about 111.4361542694.

The spelling of 1383816 in words is "one million, three hundred eighty-three thousand, eight hundred sixteen".