1983696 has 120 divisors (see below), whose sum is σ = 6395424. Its totient is φ = 522240.

The previous prime is 1983689. The next prime is 1983697. The reversal of 1983696 is 6963891.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116680 + ... + 116696.

2^1983696 is an apocalyptic number.

1983696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1983696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3197712).

1983696 is an abundant number, since it is smaller than the sum of its proper divisors (4411728).

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

1983696 is a wasteful number, since it uses less digits than its factorization.

1983696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 46 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 1983696 is about 1408.4374320501. The cubic root of 1983696 is about 125.6488078934.

The spelling of 1983696 in words is "one million, nine hundred eighty-three thousand, six hundred ninety-six".