2289399 has 16 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 1275840.

The previous prime is 2289379. The next prime is 2289401. The reversal of 2289399 is 9939822.

It is not a de Polignac number, because 2289399 - 2⁸ = 2289143 is a prime.

2289399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2289399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289349) 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, 469 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2^2289399 is an apocalyptic number.

2289399 is a deficient number, since it is larger than the sum of its proper divisors (1285641).

2289399 is a wasteful number, since it uses less digits than its factorization.

2289399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its digits is 69984, while the sum is 42.

The square root of 2289399 is about 1513.0760060222. The cubic root of 2289399 is about 131.7974971183.

The spelling of 2289399 in words is "two million, two hundred eighty-nine thousand, three hundred ninety-nine".