1983950 has 12 divisors (see below), whose sum is σ = 3690240. Its totient is φ = 793560.

The previous prime is 1983931. The next prime is 1983967. The reversal of 1983950 is 593891.

It is a self number, because there is not a number n which added to its sum of digits gives 1983950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19790 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (307520).

2^1983950 is an apocalyptic number.

1983950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1983950 is a deficient number, since it is larger than the sum of its proper divisors (1706290).

1983950 is a wasteful number, since it uses less digits than its factorization.

1983950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39691 (or 39686 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1983950 is about 1408.5276000136. The cubic root of 1983950 is about 125.6541705153.

The spelling of 1983950 in words is "one million, nine hundred eighty-three thousand, nine hundred fifty".