6433238 has 16 divisors (see below), whose sum is σ = 11508480. Its totient is φ = 2637096.

The previous prime is 6433237. The next prime is 6433241. The reversal of 6433238 is 8323346.

It is a self number, because there is not a number n which added to its sum of digits gives 6433238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6433237) 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 7 ways as a sum of consecutive naturals, for example, 9668 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (719280).

Almost surely, 2^6433238 is an apocalyptic number.

6433238 is a deficient number, since it is larger than the sum of its proper divisors (5075242).

6433238 is a wasteful number, since it uses less digits than its factorization.

6433238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011.

The product of its digits is 10368, while the sum is 29.

The square root of 6433238 is about 2536.3828575355. The cubic root of 6433238 is about 185.9844092224.

The spelling of 6433238 in words is "six million, four hundred thirty-three thousand, two hundred thirty-eight".