4433661 has 6 divisors (see below), whose sum is σ = 6404190. Its totient is φ = 2955768.

The previous prime is 4433657. The next prime is 4433701. The reversal of 4433661 is 1663344.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 86436 = 2085^2 + 294^2 .

It is not a de Polignac number, because 4433661 - 2² = 4433657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4433621) 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, 246306 + ... + 246323.

It is an arithmetic number, because the mean of its divisors is an integer number (1067365).

Almost surely, 2^4433661 is an apocalyptic number.

It is an amenable number.

4433661 is a deficient number, since it is larger than the sum of its proper divisors (1970529).

4433661 is a wasteful number, since it uses less digits than its factorization.

4433661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492635 (or 492632 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4433661 is about 2105.6260351734. The cubic root of 4433661 is about 164.2810592974.

The spelling of 4433661 in words is "four million, four hundred thirty-three thousand, six hundred sixty-one".