1383996 has 48 divisors (see below), whose sum is σ = 3457440. Its totient is φ = 430080.

The previous prime is 1383983. The next prime is 1384013. The reversal of 1383996 is 6993831.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14220 + ... + 14316.

It is an arithmetic number, because the mean of its divisors is an integer number (72030).

2^1383996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1383996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728720).

1383996 is an abundant number, since it is smaller than the sum of its proper divisors (2073444).

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

1383996 is a wasteful number, since it uses less digits than its factorization.

1383996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 172 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 1383996 is about 1176.4335935360. The cubic root of 1383996 is about 111.4409857494.

The spelling of 1383996 in words is "one million, three hundred eighty-three thousand, nine hundred ninety-six".