1983436 has 24 divisors (see below), whose sum is σ = 4272800. Its totient is φ = 784512.

The previous prime is 1983427. The next prime is 1983437. The reversal of 1983436 is 6343891.

It is not an unprimeable number, because it can be changed into a prime (1983437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361 + ... + 3088.

2^1983436 is an apocalyptic number.

It is an amenable number.

1983436 is an abundant number, since it is smaller than the sum of its proper divisors (2289364).

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

1983436 is a wasteful number, since it uses less digits than its factorization.

1983436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473 (or 5471 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 1983436 is about 1408.3451281557. The cubic root of 1983436 is about 125.6433181212.

The spelling of 1983436 in words is "one million, nine hundred eighty-three thousand, four hundred thirty-six".