406424233 has 4 divisors (see below), whose sum is σ = 406643328. Its totient is φ = 406205140.

The previous prime is 406424209. The next prime is 406424251. The reversal of 406424233 is 332424604.

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.

It is a cyclic number.

It is not a de Polignac number, because 406424233 - 2²¹ = 404327081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406424203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106741 + ... + 110482.

It is an arithmetic number, because the mean of its divisors is an integer number (101660832).

Almost surely, 2^406424233 is an apocalyptic number.

It is an amenable number.

406424233 is a deficient number, since it is larger than the sum of its proper divisors (219095).

406424233 is a wasteful number, since it uses less digits than its factorization.

406424233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219094.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 406424233 is about 20159.9660962017. The cubic root of 406424233 is about 740.7298818821.

Adding to 406424233 its reverse (332424604), we get a palindrome (738848837).

The spelling of 406424233 in words is "four hundred six million, four hundred twenty-four thousand, two hundred thirty-three".