4450689 has 6 divisors (see below), whose sum is σ = 6428786. Its totient is φ = 2967120.

The previous prime is 4450687. The next prime is 4450697. The reversal of 4450689 is 9860544.

It can be written as a sum of positive squares in only one way, i.e., 3932289 + 518400 = 1983^2 + 720^2 .

It is not a de Polignac number, because 4450689 - 2¹ = 4450687 is a prime.

It is a Duffinian number.

4450689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4450681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247252 + ... + 247269.

Almost surely, 2^4450689 is an apocalyptic number.

It is an amenable number.

4450689 is a deficient number, since it is larger than the sum of its proper divisors (1978097).

4450689 is a wasteful number, since it uses less digits than its factorization.

4450689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494527 (or 494524 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4450689 is about 2109.6656133141. The cubic root of 4450689 is about 164.4911042451.

The spelling of 4450689 in words is "four million, four hundred fifty thousand, six hundred eighty-nine".