1983938 has 16 divisors (see below), whose sum is σ = 3352320. Its totient is φ = 872400.

The previous prime is 1983931. The next prime is 1983967. The reversal of 1983938 is 8393891.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1983895 and 1983904.

It is not an unprimeable number, because it can be changed into a prime (1983931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (209520).

2^1983938 is an apocalyptic number.

1983938 is a deficient number, since it is larger than the sum of its proper divisors (1368382).

1983938 is a wasteful number, since it uses less digits than its factorization.

1983938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its digits is 46656, while the sum is 41.

The square root of 1983938 is about 1408.5233402397. The cubic root of 1983938 is about 125.6539171734.

The spelling of 1983938 in words is "one million, nine hundred eighty-three thousand, nine hundred thirty-eight".