4433491 has 4 divisors (see below), whose sum is σ = 4586400. Its totient is φ = 4280584.

The previous prime is 4433489. The next prime is 4433497. The reversal of 4433491 is 1943344.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4433491 - 2¹ = 4433489 is a prime.

It is a Duffinian number.

4433491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4433497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76411 + ... + 76468.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^4433491 is an apocalyptic number.

4433491 is a deficient number, since it is larger than the sum of its proper divisors (152909).

4433491 is a wasteful number, since it uses less digits than its factorization.

4433491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152908.

The product of its digits is 5184, while the sum is 28.

The square root of 4433491 is about 2105.5856667445. The cubic root of 4433491 is about 164.2789595927.

The spelling of 4433491 in words is "four million, four hundred thirty-three thousand, four hundred ninety-one".