2289397 has 8 divisors (see below), whose sum is σ = 2606400. Its totient is φ = 1990560.

The previous prime is 2289379. The next prime is 2289401. The reversal of 2289397 is 7939822.

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

It is not a de Polignac number, because 2289397 - 2¹⁵ = 2256629 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 (2289197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (325800).

2^2289397 is an apocalyptic number.

It is an amenable number.

2289397 is a deficient number, since it is larger than the sum of its proper divisors (317003).

2289397 is a wasteful number, since it uses less digits than its factorization.

2289397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its digits is 54432, while the sum is 40.

The square root of 2289397 is about 1513.0753451167. The cubic root of 2289397 is about 131.7974587392.

The spelling of 2289397 in words is "two million, two hundred eighty-nine thousand, three hundred ninety-seven".