429238685 has 8 divisors (see below), whose sum is σ = 527065440. Its totient is φ = 335404944.

The previous prime is 429238669. The next prime is 429238687. The reversal of 429238685 is 586832924.

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

It is a cyclic number.

It is not a de Polignac number, because 429238685 - 2⁴ = 429238669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429238687) 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, 998015 + ... + 998444.

It is an arithmetic number, because the mean of its divisors is an integer number (65883180).

Almost surely, 2^429238685 is an apocalyptic number.

It is an amenable number.

429238685 is a deficient number, since it is larger than the sum of its proper divisors (97826755).

429238685 is a wasteful number, since it uses less digits than its factorization.

429238685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996507.

The product of its digits is 829440, while the sum is 47.

The square root of 429238685 is about 20718.0762861806. The cubic root of 429238685 is about 754.3385197871.

The spelling of 429238685 in words is "four hundred twenty-nine million, two hundred thirty-eight thousand, six hundred eighty-five".