2289528 has 24 divisors (see below), whose sum is σ = 6201000. Its totient is φ = 763152.

The previous prime is 2289503. The next prime is 2289571. The reversal of 2289528 is 8259822.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 2289492 and 2289501.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 15828 + ... + 15971.

It is an arithmetic number, because the mean of its divisors is an integer number (258375).

2^2289528 is an apocalyptic number.

It is an amenable number.

2289528 is an abundant number, since it is smaller than the sum of its proper divisors (3911472).

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

2289528 is a wasteful number, since it uses less digits than its factorization.

2289528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31811 (or 31804 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2289528 is about 1513.1186338156. The cubic root of 2289528 is about 131.7999725216.

The spelling of 2289528 in words is "two million, two hundred eighty-nine thousand, five hundred twenty-eight".