1983908 has 12 divisors (see below), whose sum is σ = 3556812. Its totient is φ = 967680.

The previous prime is 1983889. The next prime is 1983913. The reversal of 1983908 is 8093891.

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 1909924 = 272^2 + 1382^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5885 + ... + 6212.

It is an arithmetic number, because the mean of its divisors is an integer number (296401).

2^1983908 is an apocalyptic number.

It is an amenable number.

1983908 is a deficient number, since it is larger than the sum of its proper divisors (1572904).

1983908 is a wasteful number, since it uses less digits than its factorization.

1983908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142 (or 12140 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1983908 is about 1408.5126907486. The cubic root of 1983908 is about 125.6532838142.

The spelling of 1983908 in words is "one million, nine hundred eighty-three thousand, nine hundred eight".