2289629 has 4 divisors (see below), whose sum is σ = 2363520. Its totient is φ = 2215740.

The previous prime is 2289601. The next prime is 2289641. The reversal of 2289629 is 9269822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2289629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2289592 and 2289601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289649) 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, 36899 + ... + 36960.

It is an arithmetic number, because the mean of its divisors is an integer number (590880).

2^2289629 is an apocalyptic number.

It is an amenable number.

2289629 is a deficient number, since it is larger than the sum of its proper divisors (73891).

2289629 is an equidigital number, since it uses as much as digits as its factorization.

2289629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73890.

The product of its digits is 31104, while the sum is 38.

The square root of 2289629 is about 1513.1520082265. The cubic root of 2289629 is about 131.8019105632.

The spelling of 2289629 in words is "two million, two hundred eighty-nine thousand, six hundred twenty-nine".