3653220604 has 48 divisors (see below), whose sum is σ = 7172960256. Its totient is φ = 1613390400.

The previous prime is 3653220577. The next prime is 3653220607. The reversal of 3653220604 is 4060223563.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653220607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729509 + ... + 1731619.

It is an arithmetic number, because the mean of its divisors is an integer number (149436672).

Almost surely, 2^3653220604 is an apocalyptic number.

It is an amenable number.

3653220604 is a deficient number, since it is larger than the sum of its proper divisors (3519739652).

3653220604 is a wasteful number, since it uses less digits than its factorization.

3653220604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3224 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3653220604 is about 60441.8778993505. The cubic root of 3653220604 is about 1540.1344409532.

The spelling of 3653220604 in words is "three billion, six hundred fifty-three million, two hundred twenty thousand, six hundred four".