3620289 has 16 divisors (see below), whose sum is σ = 4991744. Its totient is φ = 2332800.

The previous prime is 3620257. The next prime is 3620291. The reversal of 3620289 is 9820263.

It is not a de Polignac number, because 3620289 - 2⁵ = 3620257 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13224 + ... + 13494.

It is an arithmetic number, because the mean of its divisors is an integer number (311984).

Almost surely, 2^3620289 is an apocalyptic number.

It is an amenable number.

3620289 is a deficient number, since it is larger than the sum of its proper divisors (1371455).

3620289 is a wasteful number, since it uses less digits than its factorization.

3620289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3620289 is about 1902.7057050422. The cubic root of 3620289 is about 153.5492667600.

It can be divided in two parts, 3 and 620289, that multiplied together give a cube (1860867 = 123³).

The spelling of 3620289 in words is "three million, six hundred twenty thousand, two hundred eighty-nine".