2235649 has 8 divisors (see below), whose sum is σ = 2459520. Its totient is φ = 2019216.

The previous prime is 2235647. The next prime is 2235661. The reversal of 2235649 is 9465322.

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 2235649 - 2¹ = 2235647 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 3¹⁰ + 5⁷ + 6⁴ + 4² + 9 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2235649.

It is not an unprimeable number, because it can be changed into a prime (2235641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (307440).

2^2235649 is an apocalyptic number.

It is an amenable number.

2235649 is a deficient number, since it is larger than the sum of its proper divisors (223871).

2235649 is a wasteful number, since it uses less digits than its factorization.

2235649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719.

The product of its digits is 12960, while the sum is 31.

The square root of 2235649 is about 1495.2086810877. The cubic root of 2235649 is about 130.7578807734.

The spelling of 2235649 in words is "two million, two hundred thirty-five thousand, six hundred forty-nine".