3621289 has 8 divisors (see below), whose sum is σ = 4382208. Its totient is φ = 2921280.

The previous prime is 3621287. The next prime is 3621313. The reversal of 3621289 is 9821263.

3621289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3621289 - 2¹ = 3621287 is a prime.

It is a super-2 number, since 2×3621289² = 26227468043042, which contains 22 as substring.

It is a Duffinian number.

3621289 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3621289.

It is not an unprimeable number, because it can be changed into a prime (3621287) 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 7 ways as a sum of consecutive naturals, for example, 15097 + ... + 15334.

It is an arithmetic number, because the mean of its divisors is an integer number (547776).

Almost surely, 2^3621289 is an apocalyptic number.

It is an amenable number.

3621289 is a deficient number, since it is larger than the sum of its proper divisors (760919).

3621289 is a wasteful number, since it uses less digits than its factorization.

3621289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30455.

The product of its digits is 5184, while the sum is 31.

The square root of 3621289 is about 1902.9684705743. The cubic root of 3621289 is about 153.5634033046.

The spelling of 3621289 in words is "three million, six hundred twenty-one thousand, two hundred eighty-nine".