4436 has 6 divisors (see below), whose sum is σ = 7770.
Its totient is φ = 2216.
The previous prime is 4423. The next prime is 4441. The reversal of 4436 is 6344.
It can be written as a sum of positive squares in only one way, i.e., 2500 + 1936 = 50^2 + 44^2
It is a plaindrome in base 14 and base 15.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551 + ... + 558.
It is an arithmetic number, because the mean of its divisors is an integer number (1295).
It is an amenable number.
4436 is a deficient number, since it is larger than the sum of its proper divisors (3334).
4436 is a wasteful number, since it uses less digits than its factorization.
4436 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1113 (or 1111 counting only the distinct ones).
The product of its digits is 288, while the sum is 17.
The square root of 4436 is about 66.6033032214.
The cubic root of 4436 is about 16.4309943316.
The spelling of 4436 in words is "four thousand, four hundred thirty-six".