2288397 has 8 divisors (see below), whose sum is σ = 3065440. Its totient is φ = 1518480.

The previous prime is 2288369. The next prime is 2288399. The reversal of 2288397 is 7938822.

2288397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2288397 - 2¹⁴ = 2272013 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 2¹⁰ + 8⁴ + 8⁷ + 3¹¹ + 9⁴ + 7⁴ .

It is a Duffinian number.

2288397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (383180).

2^2288397 is an apocalyptic number.

It is an amenable number.

2288397 is a deficient number, since it is larger than the sum of its proper divisors (777043).

2288397 is a wasteful number, since it uses less digits than its factorization.

2288397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563.

The product of its digits is 48384, while the sum is 39.

The square root of 2288397 is about 1512.7448562134. The cubic root of 2288397 is about 131.7782663998.

The spelling of 2288397 in words is "two million, two hundred eighty-eight thousand, three hundred ninety-seven".