3620603 has 4 divisors (see below), whose sum is σ = 4137840. Its totient is φ = 3103368.

The previous prime is 3620599. The next prime is 3620623. The reversal of 3620603 is 3060263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3060263 = 389 ⋅7867.

It is a cyclic number.

It is not a de Polignac number, because 3620603 - 2² = 3620599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3620623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258608 + ... + 258621.

It is an arithmetic number, because the mean of its divisors is an integer number (1034460).

Almost surely, 2^3620603 is an apocalyptic number.

3620603 is a deficient number, since it is larger than the sum of its proper divisors (517237).

3620603 is an equidigital number, since it uses as much as digits as its factorization.

3620603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517236.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3620603 is about 1902.7882173274. The cubic root of 3620603 is about 153.5537059154.

Adding to 3620603 its reverse (3060263), we get a palindrome (6680866).

The spelling of 3620603 in words is "three million, six hundred twenty thousand, six hundred three".