1983273600 has 384 divisors, whose sum is σ = 8147335680. Its totient is φ = 411955200.

The previous prime is 1983273581. The next prime is 1983273619. The reversal of 1983273600 is 63723891.

It is an interprime number because it is at equal distance from previous prime (1983273581) and next prime (1983273619).

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 737859 + ... + 740541.

It is an arithmetic number, because the mean of its divisors is an integer number (21217020).

Almost surely, 2^1983273600 is an apocalyptic number.

1983273600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1983273600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4073667840).

1983273600 is an abundant number, since it is smaller than the sum of its proper divisors (6164062080).

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

1983273600 is a wasteful number, since it uses less digits than its factorization.

1983273600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1983273600 is about 44533.9600754301. The cubic root of 1983273600 is about 1256.3988888159.

The spelling of 1983273600 in words is "one billion, nine hundred eighty-three million, two hundred seventy-three thousand, six hundred".