3604665228 has 24 divisors (see below), whose sum is σ = 8421959280. Its totient is φ = 1199973120.

The previous prime is 3604665223. The next prime is 3604665247. The reversal of 3604665228 is 8225664063.

It is a happy number.

It is a super-2 number, since 2×3604665228² = 25987222811904583968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3604665228.

It is not an unprimeable number, because it can be changed into a prime (3604665223) 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, 188233 + ... + 206496.

It is an arithmetic number, because the mean of its divisors is an integer number (350914970).

Almost surely, 2^3604665228 is an apocalyptic number.

It is an amenable number.

3604665228 is an abundant number, since it is smaller than the sum of its proper divisors (4817294052).

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

3604665228 is a wasteful number, since it uses less digits than its factorization.

3604665228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395497 (or 395495 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 3604665228 is about 60038.8643130431. The cubic root of 3604665228 is about 1533.2806175743.

The spelling of 3604665228 in words is "three billion, six hundred four million, six hundred sixty-five thousand, two hundred twenty-eight".