3621677620 has 192 divisors, whose sum is σ = 9084483072. Its totient is φ = 1208064000.

The previous prime is 3621677599. The next prime is 3621677621. The reversal of 3621677620 is 267761263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621677621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23984545 + ... + 23984695.

It is an arithmetic number, because the mean of its divisors is an integer number (47315016).

Almost surely, 2^3621677620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621677620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4542241536).

3621677620 is an abundant number, since it is smaller than the sum of its proper divisors (5462805452).

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

3621677620 is a wasteful number, since it uses less digits than its factorization.

3621677620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 3621677620 is about 60180.3757050419. The cubic root of 3621677620 is about 1535.6889634641.

The spelling of 3621677620 in words is "three billion, six hundred twenty-one million, six hundred seventy-seven thousand, six hundred twenty".