1983330 has 24 divisors (see below), whose sum is σ = 5156892. Its totient is φ = 528864.

The previous prime is 1983323. The next prime is 1983341. The reversal of 1983330 is 333891.

It can be written as a sum of positive squares in 2 ways, for example, as 1814409 + 168921 = 1347^2 + 411^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1983294 and 1983303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10929 + ... + 11108.

2^1983330 is an apocalyptic number.

1983330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1983330 is an abundant number, since it is smaller than the sum of its proper divisors (3173562).

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

1983330 is a wasteful number, since it uses less digits than its factorization.

1983330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22050 (or 22047 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1983330 is about 1408.3074948320. The cubic root of 1983330 is about 125.6410798456.

The spelling of 1983330 in words is "one million, nine hundred eighty-three thousand, three hundred thirty".