2289708 has 60 divisors (see below), whose sum is σ = 6179712. Its totient is φ = 738720.

The previous prime is 2289697. The next prime is 2289739. The reversal of 2289708 is 8079822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11893 + ... + 12083.

2^2289708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2289708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3089856).

2289708 is an abundant number, since it is smaller than the sum of its proper divisors (3890004).

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

2289708 is a wasteful number, since it uses less digits than its factorization.

2289708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2289708 is about 1513.1781124507. The cubic root of 2289708 is about 131.8034264174.

The spelling of 2289708 in words is "two million, two hundred eighty-nine thousand, seven hundred eight".