3605229 has 20 divisors (see below), whose sum is σ = 5505984. Its totient is φ = 2349864.

The previous prime is 3605221. The next prime is 3605233. The reversal of 3605229 is 9225063.

It is not a de Polignac number, because 3605229 - 2³ = 3605221 is a prime.

It is a super-2 number, since 2×3605229² = 25995352284882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3334 + ... + 4280.

Almost surely, 2^3605229 is an apocalyptic number.

It is an amenable number.

3605229 is a deficient number, since it is larger than the sum of its proper divisors (1900755).

3605229 is an equidigital number, since it uses as much as digits as its factorization.

3605229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3605229 is about 1898.7440585819. The cubic root of 3605229 is about 153.3360548771.

The spelling of 3605229 in words is "three million, six hundred five thousand, two hundred twenty-nine".