2289424 has 40 divisors (see below), whose sum is σ = 4955040. Its totient is φ = 1018368.

The previous prime is 2289409. The next prime is 2289431. The reversal of 2289424 is 4249822.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (123876).

2^2289424 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 2289424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2477520).

2289424 is an abundant number, since it is smaller than the sum of its proper divisors (2665616).

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

2289424 is a wasteful number, since it uses less digits than its factorization.

2289424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2289424 is about 1513.0842673163. The cubic root of 2289424 is about 131.7979768549.

The spelling of 2289424 in words is "two million, two hundred eighty-nine thousand, four hundred twenty-four".