2189473 has 16 divisors (see below), whose sum is σ = 2624832. Its totient is φ = 1800000.

The previous prime is 2189461. The next prime is 2189477. The reversal of 2189473 is 3749812.

It is a cyclic number.

It is not a de Polignac number, because 2189473 - 2¹⁷ = 2058401 is a prime.

It is a Duffinian number.

Its product of digits (12096) is a multiple of the sum of its prime divisors (336).

It is not an unprimeable number, because it can be changed into a prime (2189477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8598 + ... + 8848.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

2^2189473 is an apocalyptic number.

It is an amenable number.

2189473 is a deficient number, since it is larger than the sum of its proper divisors (435359).

2189473 is a wasteful number, since it uses less digits than its factorization.

2189473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 12096, while the sum is 34.

The square root of 2189473 is about 1479.6867911825. The cubic root of 2189473 is about 129.8513685933.

It can be divided in two parts, 2189 and 473, that added together give a palindrome (2662).

The spelling of 2189473 in words is "two million, one hundred eighty-nine thousand, four hundred seventy-three".