2287397 has 16 divisors (see below), whose sum is σ = 2752512. Its totient is φ = 1859760.

The previous prime is 2287393. The next prime is 2287409. The reversal of 2287397 is 7937822.

2287397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2287397 - 2² = 2287393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2287397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287393) 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 15 ways as a sum of consecutive naturals, for example, 17948 + ... + 18074.

It is an arithmetic number, because the mean of its divisors is an integer number (172032).

2^2287397 is an apocalyptic number.

It is an amenable number.

2287397 is a deficient number, since it is larger than the sum of its proper divisors (465115).

2287397 is a wasteful number, since it uses less digits than its factorization.

2287397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its digits is 42336, while the sum is 38.

The square root of 2287397 is about 1512.4142950925. The cubic root of 2287397 is about 131.7590684683.

The spelling of 2287397 in words is "two million, two hundred eighty-seven thousand, three hundred ninety-seven".