3603803620 has 12 divisors (see below), whose sum is σ = 7567987644. Its totient is φ = 1441521440.

The previous prime is 3603803617. The next prime is 3603803653. The reversal of 3603803620 is 263083063.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2062613056 + 1541190564 = 45416^2 + 39258^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 90095071 + ... + 90095110.

It is an arithmetic number, because the mean of its divisors is an integer number (630665637).

Almost surely, 2^3603803620 is an apocalyptic number.

It is an amenable number.

3603803620 is an abundant number, since it is smaller than the sum of its proper divisors (3964184024).

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

3603803620 is a wasteful number, since it uses less digits than its factorization.

3603803620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180190190 (or 180190188 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 3603803620 is about 60031.6884653430. The cubic root of 3603803620 is about 1533.1584432960.

Adding to 3603803620 its reverse (263083063), we get a palindrome (3866886683).

The spelling of 3603803620 in words is "three billion, six hundred three million, eight hundred three thousand, six hundred twenty".