3621673 has 4 divisors (see below), whose sum is σ = 3950928. Its totient is φ = 3292420.

The previous prime is 3621661. The next prime is 3621691. The reversal of 3621673 is 3761263.

3621673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3621673 - 2¹³ = 3613481 is a prime.

It is a Duffinian number.

3621673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3621613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164611 + ... + 164632.

It is an arithmetic number, because the mean of its divisors is an integer number (987732).

Almost surely, 2^3621673 is an apocalyptic number.

It is an amenable number.

3621673 is a deficient number, since it is larger than the sum of its proper divisors (329255).

3621673 is a wasteful number, since it uses less digits than its factorization.

3621673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329254.

The product of its digits is 4536, while the sum is 28.

The square root of 3621673 is about 1903.0693628977. The cubic root of 3621673 is about 153.5688310462.

The spelling of 3621673 in words is "three million, six hundred twenty-one thousand, six hundred seventy-three".