429338538 has 12 divisors (see below), whose sum is σ = 930233538. Its totient is φ = 143112840.

The previous prime is 429338537. The next prime is 429338551. The reversal of 429338538 is 835833924.

It can be written as a sum of positive squares in only one way, i.e., 278122329 + 151216209 = 16677^2 + 12297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 429338493 and 429338502.

It is not an unprimeable number, because it can be changed into a prime (429338537) 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 5 ways as a sum of consecutive naturals, for example, 11926053 + ... + 11926088.

Almost surely, 2^429338538 is an apocalyptic number.

429338538 is an abundant number, since it is smaller than the sum of its proper divisors (500895000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429338538 is a wasteful number, since it uses less digits than its factorization.

429338538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23852149 (or 23852146 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 429338538 is about 20720.4859498999. The cubic root of 429338538 is about 754.3970087094.

The spelling of 429338538 in words is "four hundred twenty-nine million, three hundred thirty-eight thousand, five hundred thirty-eight".