429870852 has 18 divisors (see below), whose sum is σ = 1086618078. Its totient is φ = 143290272.

The previous prime is 429870817. The next prime is 429870853. The reversal of 429870852 is 258078924.

It can be written as a sum of positive squares in only one way, i.e., 232074756 + 197796096 = 15234^2 + 14064^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 429870798 and 429870807.

It is not an unprimeable number, because it can be changed into a prime (429870853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5970393 + ... + 5970464.

It is an arithmetic number, because the mean of its divisors is an integer number (60367671).

Almost surely, 2^429870852 is an apocalyptic number.

It is an amenable number.

429870852 is an abundant number, since it is smaller than the sum of its proper divisors (656747226).

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

429870852 is a wasteful number, since it uses less digits than its factorization.

429870852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940867 (or 11940862 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 429870852 is about 20733.3270846722. The cubic root of 429870852 is about 754.7086588438.

The spelling of 429870852 in words is "four hundred twenty-nine million, eight hundred seventy thousand, eight hundred fifty-two".