3620189 has 4 divisors (see below), whose sum is σ = 3624000. Its totient is φ = 3616380.

The previous prime is 3620161. The next prime is 3620207. The reversal of 3620189 is 9810263.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9810263 = 47 ⋅208729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3620189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812 + ... + 2810.

It is an arithmetic number, because the mean of its divisors is an integer number (906000).

Almost surely, 2^3620189 is an apocalyptic number.

It is an amenable number.

3620189 is a deficient number, since it is larger than the sum of its proper divisors (3811).

3620189 is a wasteful number, since it uses less digits than its factorization.

3620189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3620189 is about 1902.6794264931. The cubic root of 3620189 is about 153.5478529624.

The spelling of 3620189 in words is "three million, six hundred twenty thousand, one hundred eighty-nine".