4244689 has 4 divisors (see below), whose sum is σ = 4348260. Its totient is φ = 4141120.

The previous prime is 4244663. The next prime is 4244693. The reversal of 4244689 is 9864424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176400 + 4068289 = 420^2 + 2017^2 .

It is a cyclic number.

It is not a de Polignac number, because 4244689 - 2¹⁹ = 3720401 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 2¹¹ + 4⁵ + 4¹¹ + 6⁶ + 8³ + 9² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4244609) 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, 51724 + ... + 51805.

It is an arithmetic number, because the mean of its divisors is an integer number (1087065).

Almost surely, 2^4244689 is an apocalyptic number.

It is an amenable number.

4244689 is a deficient number, since it is larger than the sum of its proper divisors (103571).

4244689 is a wasteful number, since it uses less digits than its factorization.

4244689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103570.

The product of its digits is 55296, while the sum is 37.

The square root of 4244689 is about 2060.2643034329. The cubic root of 4244689 is about 161.9130890826.

The spelling of 4244689 in words is "four million, two hundred forty-four thousand, six hundred eighty-nine".