3784021200 has 360 divisors, whose sum is σ = 13902610176. Its totient is φ = 951552000.

The previous prime is 3784021147. The next prime is 3784021201. The reversal of 3784021200 is 21204873.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784021201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4575187 + ... + 4576013.

Almost surely, 2^3784021200 is an apocalyptic number.

3784021200 is a gapful number since it is divisible by the number (30) 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 3784021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6951305088).

3784021200 is an abundant number, since it is smaller than the sum of its proper divisors (10118588976).

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

3784021200 is a wasteful number, since it uses less digits than its factorization.

3784021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 3784021200 is about 61514.3983145410. The cubic root of 3784021200 is about 1558.3004172622.

The spelling of 3784021200 in words is "three billion, seven hundred eighty-four million, twenty-one thousand, two hundred".