429803818 has 8 divisors (see below), whose sum is σ = 656870148. Its totient is φ = 210847104.

The previous prime is 429803789. The next prime is 429803819. The reversal of 429803818 is 818308924.

It can be written as a sum of positive squares in 2 ways, for example, as 419963049 + 9840769 = 20493^2 + 3137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (429803819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027271 + ... + 2027482.

Almost surely, 2^429803818 is an apocalyptic number.

429803818 is a deficient number, since it is larger than the sum of its proper divisors (227066330).

429803818 is a wasteful number, since it uses less digits than its factorization.

429803818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054808.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 429803818 is about 20731.7104455952. The cubic root of 429803818 is about 754.6694270839.

The spelling of 429803818 in words is "four hundred twenty-nine million, eight hundred three thousand, eight hundred eighteen".