3621359728 has 40 divisors (see below), whose sum is σ = 8050734720. Its totient is φ = 1545816000.

The previous prime is 3621359723. The next prime is 3621359741. The reversal of 3621359728 is 8279531263.

3621359728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3621359728² = 26228492559160467968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621359723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36298 + ... + 92521.

It is an arithmetic number, because the mean of its divisors is an integer number (201268368).

Almost surely, 2^3621359728 is an apocalyptic number.

It is an amenable number.

3621359728 is an abundant number, since it is smaller than the sum of its proper divisors (4429374992).

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

3621359728 is a wasteful number, since it uses less digits than its factorization.

3621359728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129085 (or 129079 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 3621359728 is about 60177.7344871008. The cubic root of 3621359728 is about 1535.6440305563.

The spelling of 3621359728 in words is "three billion, six hundred twenty-one million, three hundred fifty-nine thousand, seven hundred twenty-eight".