4000433 has 4 divisors (see below), whose sum is σ = 4004928. Its totient is φ = 3995940.

The previous prime is 4000379. The next prime is 4000439. The reversal of 4000433 is 3340004.

4000433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4000433 - 2¹² = 3996337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000439) 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, 413 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (1001232).

Almost surely, 2^4000433 is an apocalyptic number.

It is an amenable number.

4000433 is a deficient number, since it is larger than the sum of its proper divisors (4495).

4000433 is a wasteful number, since it uses less digits than its factorization.

4000433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 4000433 is about 2000.1082470706. The cubic root of 4000433 is about 158.7458328623.

Adding to 4000433 its reverse (3340004), we get a palindrome (7340437).

The spelling of 4000433 in words is "four million, four hundred thirty-three", and thus it is an aban number.