1983846900 has 72 divisors (see below), whose sum is σ = 6559927360. Its totient is φ = 453450240.

The previous prime is 1983846863. The next prime is 1983846901. The reversal of 1983846900 is 96483891.

It is a super-2 number, since 2×1983846900² = 7871297045279220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1983846900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983846901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470245 + ... + 474444.

Almost surely, 2^1983846900 is an apocalyptic number.

1983846900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1983846900 is an abundant number, since it is smaller than the sum of its proper divisors (4576080460).

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

1983846900 is a wasteful number, since it uses less digits than its factorization.

1983846900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944713 (or 944706 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1983846900 is about 44540.3962712502. The cubic root of 1983846900 is about 1256.5199385272.

The spelling of 1983846900 in words is "one billion, nine hundred eighty-three million, eight hundred forty-six thousand, nine hundred".