429497997 has 8 divisors (see below), whose sum is σ = 572763744. Its totient is φ = 286282128.

The previous prime is 429497989. The next prime is 429498007. The reversal of 429497997 is 799794924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 429497997 - 2³ = 429497989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 429497997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429497927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18903 + ... + 34875.

It is an arithmetic number, because the mean of its divisors is an integer number (71595468).

Almost surely, 2^429497997 is an apocalyptic number.

It is an amenable number.

429497997 is a deficient number, since it is larger than the sum of its proper divisors (143265747).

429497997 is a wasteful number, since it uses less digits than its factorization.

429497997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24939.

The product of its digits is 10287648, while the sum is 60.

The square root of 429497997 is about 20724.3334512838. Note that the first 3 decimals coincide. The cubic root of 429497997 is about 754.4903930609.

The spelling of 429497997 in words is "four hundred twenty-nine million, four hundred ninety-seven thousand, nine hundred ninety-seven".