3621796200 has 576 divisors, whose sum is σ = 14367830400. Its totient is φ = 836352000.

The previous prime is 3621796187. The next prime is 3621796237. The reversal of 3621796200 is 26971263.

3621796200 is a `hidden beast` number, since 3 + 6 + 21 + 7 + 9 + 620 + 0 = 666.

3621796200 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15028080 + ... + 15028320.

It is an arithmetic number, because the mean of its divisors is an integer number (24944150).

Almost surely, 2^3621796200 is an apocalyptic number.

3621796200 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 3621796200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7183915200).

3621796200 is an abundant number, since it is smaller than the sum of its proper divisors (10746034200).

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

3621796200 is a wasteful number, since it uses less digits than its factorization.

3621796200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3621796200 is about 60181.3609018606. The cubic root of 3621796200 is about 1535.7057236536.

The spelling of 3621796200 in words is "three billion, six hundred twenty-one million, seven hundred ninety-six thousand, two hundred".