1983388396 has 12 divisors (see below), whose sum is σ = 3786468840. Its totient is φ = 901540160.

The previous prime is 1983388369. The next prime is 1983388403. The reversal of 1983388396 is 6938833891.

It is a self number, because there is not a number n which added to its sum of digits gives 1983388396.

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, 22538461 + ... + 22538548.

It is an arithmetic number, because the mean of its divisors is an integer number (315539070).

Almost surely, 2^1983388396 is an apocalyptic number.

It is an amenable number.

1983388396 is a deficient number, since it is larger than the sum of its proper divisors (1803080444).

1983388396 is a wasteful number, since it uses less digits than its factorization.

1983388396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45077024 (or 45077022 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 1983388396 is about 44535.2489158868. The cubic root of 1983388396 is about 1256.4231293417.

The spelling of 1983388396 in words is "one billion, nine hundred eighty-three million, three hundred eighty-eight thousand, three hundred ninety-six".