429423806 has 16 divisors (see below), whose sum is σ = 736598016. Its totient is φ = 183928056.

The previous prime is 429423803. The next prime is 429423809. The reversal of 429423806 is 608324924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (429423803) and next prime (429423809).

It is a self number, because there is not a number n which added to its sum of digits gives 429423806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429423803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17555 + ... + 34161.

It is an arithmetic number, because the mean of its divisors is an integer number (46037376).

Almost surely, 2^429423806 is an apocalyptic number.

429423806 is a deficient number, since it is larger than the sum of its proper divisors (307174210).

429423806 is a wasteful number, since it uses less digits than its factorization.

429423806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18463.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 429423806 is about 20722.5434249756. The cubic root of 429423806 is about 754.4469472858.

The spelling of 429423806 in words is "four hundred twenty-nine million, four hundred twenty-three thousand, eight hundred six".