429517428 has 12 divisors (see below), whose sum is σ = 1002207360. Its totient is φ = 143172472.

The previous prime is 429517397. The next prime is 429517469. The reversal of 429517428 is 824715924.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 429517428.

It is a congruent number.

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, 17896548 + ... + 17896571.

It is an arithmetic number, because the mean of its divisors is an integer number (83517280).

Almost surely, 2^429517428 is an apocalyptic number.

It is an amenable number.

429517428 is an abundant number, since it is smaller than the sum of its proper divisors (572689932).

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

429517428 is a wasteful number, since it uses less digits than its factorization.

429517428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35793126 (or 35793124 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 429517428 is about 20724.8022427236. The cubic root of 429517428 is about 754.5017709034.

The spelling of 429517428 in words is "four hundred twenty-nine million, five hundred seventeen thousand, four hundred twenty-eight".