433042238 has 4 divisors (see below), whose sum is σ = 649563360. Its totient is φ = 216521118.

The previous prime is 433042231. The next prime is 433042249. The reversal of 433042238 is 832240334.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 433042238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433042231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108260558 + ... + 108260561.

It is an arithmetic number, because the mean of its divisors is an integer number (162390840).

Almost surely, 2^433042238 is an apocalyptic number.

433042238 is a deficient number, since it is larger than the sum of its proper divisors (216521122).

433042238 is a wasteful number, since it uses less digits than its factorization.

433042238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216521121.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 433042238 is about 20809.6669363063. Note that the first 3 decimals coincide. The cubic root of 433042238 is about 756.5600757649.

The spelling of 433042238 in words is "four hundred thirty-three million, forty-two thousand, two hundred thirty-eight".