4469 has 4 divisors (see below), whose sum is σ = 4620. Its totient is φ = 4320.

The previous prime is 4463. The next prime is 4481. The reversal of 4469 is 9644.

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 1444 + 3025 = 38^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 4469 - 2¹² = 373 is a prime.

It is a super-2 number, since 2×4469² = 39943922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁴ + 6² + 4⁶ + 9² .

It is a Duffinian number.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4463) 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 3 ways as a sum of consecutive naturals, for example, 14 + ... + 95.

It is an arithmetic number, because the mean of its divisors is an integer number (1155).

It is an amenable number.

4469 is a deficient number, since it is larger than the sum of its proper divisors (151).

4469 is a wasteful number, since it uses less digits than its factorization.

4469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150.

The product of its digits is 864, while the sum is 23.

The square root of 4469 is about 66.8505796534. The cubic root of 4469 is about 16.4716378383.

The spelling of 4469 in words is "four thousand, four hundred sixty-nine".