4452989 has 4 divisors (see below), whose sum is σ = 4497180. Its totient is φ = 4408800.

The previous prime is 4452953. The next prime is 4453013. The reversal of 4452989 is 9892544.

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 3367225 + 1085764 = 1835^2 + 1042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4452989 is a prime.

It is a super-2 number, since 2×4452989² = 39658222068242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452919) 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, 21944 + ... + 22145.

It is an arithmetic number, because the mean of its divisors is an integer number (1124295).

Almost surely, 2^4452989 is an apocalyptic number.

It is an amenable number.

4452989 is a deficient number, since it is larger than the sum of its proper divisors (44191).

4452989 is a wasteful number, since it uses less digits than its factorization.

4452989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44190.

The product of its digits is 103680, while the sum is 41.

The square root of 4452989 is about 2110.2106529918. The cubic root of 4452989 is about 164.5194342699.

It can be divided in two parts, 4452 and 989, that multiplied together give a triangular number (4403028 = T₂₉₆₇).

The spelling of 4452989 in words is "four million, four hundred fifty-two thousand, nine hundred eighty-nine".