429786816 has 28 divisors (see below), whose sum is σ = 1137144792. Its totient is φ = 143262208.

The previous prime is 429786811. The next prime is 429786817. The reversal of 429786816 is 618687924.

It is not an unprimeable number, because it can be changed into a prime (429786811) 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, 1119045 + ... + 1119428.

It is an arithmetic number, because the mean of its divisors is an integer number (40612314).

Almost surely, 2^429786816 is an apocalyptic number.

It is an amenable number.

429786816 is an abundant number, since it is smaller than the sum of its proper divisors (707357976).

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

429786816 is a wasteful number, since it uses less digits than its factorization.

429786816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238488 (or 2238478 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 429786816 is about 20731.3003933665. The cubic root of 429786816 is about 754.6594759866.

It can be divided in two parts, 42978 and 6816, that added together give a palindrome (49794).

The spelling of 429786816 in words is "four hundred twenty-nine million, seven hundred eighty-six thousand, eight hundred sixteen".