2621189 has 4 divisors (see below), whose sum is σ = 2629440. Its totient is φ = 2612940.

The previous prime is 2621167. The next prime is 2621197. The reversal of 2621189 is 9811262.

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 2621189 - 2¹² = 2617093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621119) 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, 3629 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (657360).

2^2621189 is an apocalyptic number.

It is an amenable number.

2621189 is a deficient number, since it is larger than the sum of its proper divisors (8251).

2621189 is an equidigital number, since it uses as much as digits as its factorization.

2621189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250.

The product of its digits is 1728, while the sum is 29.

The square root of 2621189 is about 1619.0086472901. The cubic root of 2621189 is about 137.8794192801.

The spelling of 2621189 in words is "two million, six hundred twenty-one thousand, one hundred eighty-nine".