429166231 has 4 divisors (see below), whose sum is σ = 462179032. Its totient is φ = 396153432.

The previous prime is 429166217. The next prime is 429166237. The reversal of 429166231 is 132661924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 429166231 - 2⁹ = 429165719 is a prime.

It is a super-2 number, since 2×429166231² = 368367307661490722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429166237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16506381 + ... + 16506406.

It is an arithmetic number, because the mean of its divisors is an integer number (115544758).

Almost surely, 2^429166231 is an apocalyptic number.

429166231 is a deficient number, since it is larger than the sum of its proper divisors (33012801).

429166231 is a wasteful number, since it uses less digits than its factorization.

429166231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33012800.

The product of its digits is 15552, while the sum is 34.

The square root of 429166231 is about 20716.3276427073. The cubic root of 429166231 is about 754.2960741576.

The spelling of 429166231 in words is "four hundred twenty-nine million, one hundred sixty-six thousand, two hundred thirty-one".