2288387 has 8 divisors (see below), whose sum is σ = 2437776. Its totient is φ = 2140672.

The previous prime is 2288369. The next prime is 2288399. The reversal of 2288387 is 7838822.

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

It is a cyclic number.

It is not a de Polignac number, because 2288387 - 2⁶ = 2288323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2288387.

It is not an unprimeable number, because it can be changed into a prime (2288347) 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, 3563 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (304722).

2^2288387 is an apocalyptic number.

2288387 is a deficient number, since it is larger than the sum of its proper divisors (149389).

2288387 is a wasteful number, since it uses less digits than its factorization.

2288387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837.

The product of its digits is 43008, while the sum is 38.

The square root of 2288387 is about 1512.7415509597. The cubic root of 2288387 is about 131.7780744481.

The spelling of 2288387 in words is "two million, two hundred eighty-eight thousand, three hundred eighty-seven".