1983716 has 36 divisors (see below), whose sum is σ = 4189500. Its totient is φ = 818496.

The previous prime is 1983701. The next prime is 1983731. The reversal of 1983716 is 6173891.

It is an interprime number because it is at equal distance from previous prime (1983701) and next prime (1983731).

It can be written as a sum of positive squares in 2 ways, for example, as 1254400 + 729316 = 1120^2 + 854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5510 + ... + 5858.

It is an arithmetic number, because the mean of its divisors is an integer number (116375).

2^1983716 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 1983716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094750).

1983716 is an abundant number, since it is smaller than the sum of its proper divisors (2205784).

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

1983716 is a wasteful number, since it uses less digits than its factorization.

1983716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 387 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 1983716 is about 1408.4445320992. Note that the first 3 decimals coincide. The cubic root of 1983716 is about 125.6492301637.

The spelling of 1983716 in words is "one million, nine hundred eighty-three thousand, seven hundred sixteen".