429870429 has 16 divisors (see below), whose sum is σ = 637165440. Its totient is φ = 286436160.

The previous prime is 429870379. The next prime is 429870431. The reversal of 429870429 is 924078924.

It is not a de Polignac number, because 429870429 - 2⁸ = 429870173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429870479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96949 + ... + 101285.

It is an arithmetic number, because the mean of its divisors is an integer number (39822840).

Almost surely, 2^429870429 is an apocalyptic number.

It is an amenable number.

429870429 is a deficient number, since it is larger than the sum of its proper divisors (207295011).

429870429 is a wasteful number, since it uses less digits than its factorization.

429870429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8017 (or 8011 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 429870429 is about 20733.3168837019. The cubic root of 429870429 is about 754.7084112951.

The spelling of 429870429 in words is "four hundred twenty-nine million, eight hundred seventy thousand, four hundred twenty-nine".