2289156 has 12 divisors (see below), whose sum is σ = 5341392. Its totient is φ = 763048.

The previous prime is 2289151. The next prime is 2289163. The reversal of 2289156 is 6519822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2289151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95370 + ... + 95393.

It is an arithmetic number, because the mean of its divisors is an integer number (445116).

2^2289156 is an apocalyptic number.

It is an amenable number.

2289156 is an abundant number, since it is smaller than the sum of its proper divisors (3052236).

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

2289156 is a wasteful number, since it uses less digits than its factorization.

2289156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190770 (or 190768 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 2289156 is about 1512.9957038934. The cubic root of 2289156 is about 131.7928338966.

The spelling of 2289156 in words is "two million, two hundred eighty-nine thousand, one hundred fifty-six".