3608533620 has 72 divisors (see below), whose sum is σ = 11152440936. Its totient is φ = 944116992.

The previous prime is 3608533619. The next prime is 3608533627. The reversal of 3608533620 is 263358063.

It is a happy number.

3608533620 is a `hidden beast` number, since 3 + 60 + 8 + 533 + 62 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 78747876 + 3529785744 = 8874^2 + 59412^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3608533627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179587 + ... + 198666.

It is an arithmetic number, because the mean of its divisors is an integer number (154895013).

Almost surely, 2^3608533620 is an apocalyptic number.

3608533620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3608533620 is an abundant number, since it is smaller than the sum of its proper divisors (7543907316).

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

3608533620 is a wasteful number, since it uses less digits than its factorization.

3608533620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378321 (or 378316 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3608533620 is about 60071.0714071257. The cubic root of 3608533620 is about 1533.8289079706.

The spelling of 3608533620 in words is "three billion, six hundred eight million, five hundred thirty-three thousand, six hundred twenty".