3603321 has 12 divisors (see below), whose sum is σ = 5279040. Its totient is φ = 2367960.

The previous prime is 3603317. The next prime is 3603323. The reversal of 3603321 is 1233063.

It is a happy number.

It is not a de Polignac number, because 3603321 - 2² = 3603317 is a prime.

3603321 is a modest number, since divided by 3321 gives 36 as remainder.

3603321 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3603294 and 3603303.

It is not an unprimeable number, because it can be changed into a prime (3603323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2181 + ... + 3458.

It is an arithmetic number, because the mean of its divisors is an integer number (439920).

Almost surely, 2^3603321 is an apocalyptic number.

It is an amenable number.

3603321 is a deficient number, since it is larger than the sum of its proper divisors (1675719).

3603321 is a wasteful number, since it uses less digits than its factorization.

3603321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3603321 is about 1898.2415547027. The cubic root of 3603321 is about 153.3090000244.

Adding to 3603321 its reverse (1233063), we get a palindrome (4836384).

The spelling of 3603321 in words is "three million, six hundred three thousand, three hundred twenty-one".