2235689 has 8 divisors (see below), whose sum is σ = 2365440. Its totient is φ = 2109600.

The previous prime is 2235683. The next prime is 2235707. The reversal of 2235689 is 9865322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2235689 - 2¹⁶ = 2170153 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁷ + 3⁹ + 5⁹ + 6³ + 8³ + 9 .

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

2^2235689 is an apocalyptic number.

It is an amenable number.

2235689 is a deficient number, since it is larger than the sum of its proper divisors (129751).

2235689 is a wasteful number, since it uses less digits than its factorization.

2235689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its digits is 25920, while the sum is 35.

The square root of 2235689 is about 1495.2220570872. Note that the first 3 decimals coincide. The cubic root of 2235689 is about 130.7586606042.

The spelling of 2235689 in words is "two million, two hundred thirty-five thousand, six hundred eighty-nine".