429107728 has 20 divisors (see below), whose sum is σ = 950167360. Its totient is φ = 183903264.

The previous prime is 429107717. The next prime is 429107737. The reversal of 429107728 is 827701924.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915548 + ... + 1915771.

It is an arithmetic number, because the mean of its divisors is an integer number (47508368).

Almost surely, 2^429107728 is an apocalyptic number.

It is an amenable number.

429107728 is an abundant number, since it is smaller than the sum of its proper divisors (521059632).

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

429107728 is a wasteful number, since it uses less digits than its factorization.

429107728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831334 (or 3831328 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 429107728 is about 20714.9155923938. The cubic root of 429107728 is about 754.2617979375.

The spelling of 429107728 in words is "four hundred twenty-nine million, one hundred seven thousand, seven hundred twenty-eight".