431926229 has 6 divisors (see below), whose sum is σ = 502444854. Its totient is φ = 370222440.

The previous prime is 431926199. The next prime is 431926291. The reversal of 431926229 is 922629134.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 353515204 + 78411025 = 18802^2 + 8855^2 .

It is not a de Polignac number, because 431926229 - 2⁸ = 431925973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431926192 and 431926201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431926129) 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 in 5 ways as a sum of consecutive naturals, for example, 4407362 + ... + 4407459.

It is an arithmetic number, because the mean of its divisors is an integer number (83740809).

Almost surely, 2^431926229 is an apocalyptic number.

431926229 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

431926229 is a deficient number, since it is larger than the sum of its proper divisors (70518625).

431926229 is an equidigital number, since it uses as much as digits as its factorization.

431926229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814835 (or 8814828 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 431926229 is about 20782.8349606111. The cubic root of 431926229 is about 755.9095971004.

The spelling of 431926229 in words is "four hundred thirty-one million, nine hundred twenty-six thousand, two hundred twenty-nine".