2289340 has 12 divisors (see below), whose sum is σ = 4807656. Its totient is φ = 915728.

The previous prime is 2289281. The next prime is 2289349. The reversal of 2289340 is 439822.

2289340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁵ + 2¹³ + 8⁷ + 9⁴ + 3¹¹ + 4⁴ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2289299 and 2289308.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57214 + ... + 57253.

It is an arithmetic number, because the mean of its divisors is an integer number (400638).

2^2289340 is an apocalyptic number.

2289340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2289340 is an abundant number, since it is smaller than the sum of its proper divisors (2518316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2289340 is a wasteful number, since it uses less digits than its factorization.

2289340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114476 (or 114474 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2289340 is about 1513.0565091893. The cubic root of 2289340 is about 131.7963649261.

The spelling of 2289340 in words is "two million, two hundred eighty-nine thousand, three hundred forty".