429227897 has 12 divisors (see below), whose sum is σ = 499740660. Its totient is φ = 367589376.

The previous prime is 429227839. The next prime is 429227921. The reversal of 429227897 is 798722924.

It can be written as a sum of positive squares in 2 ways, for example, as 125910841 + 303317056 = 11221^2 + 17416^2 .

It is not a de Polignac number, because 429227897 - 2⁶ = 429227833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429227837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65933 + ... + 72149.

It is an arithmetic number, because the mean of its divisors is an integer number (41645055).

Almost surely, 2^429227897 is an apocalyptic number.

It is an amenable number.

429227897 is a deficient number, since it is larger than the sum of its proper divisors (70512763).

429227897 is a wasteful number, since it uses less digits than its factorization.

429227897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640 (or 7633 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 429227897 is about 20717.8159321874. The cubic root of 429227897 is about 754.3322001702.

The spelling of 429227897 in words is "four hundred twenty-nine million, two hundred twenty-seven thousand, eight hundred ninety-seven".