1983320 has 32 divisors (see below), whose sum is σ = 4503600. Its totient is φ = 786048.

The previous prime is 1983301. The next prime is 1983323. The reversal of 1983320 is 233891.

It is a self number, because there is not a number n which added to its sum of digits gives 1983320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983323) 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, 7022 + ... + 7298.

2^1983320 is an apocalyptic number.

1983320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1983320 is an abundant number, since it is smaller than the sum of its proper divisors (2520280).

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

1983320 is a wasteful number, since it uses less digits than its factorization.

1983320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1983320 is about 1408.3039444665. The cubic root of 1983320 is about 125.6408686834.

The spelling of 1983320 in words is "one million, nine hundred eighty-three thousand, three hundred twenty".