429891 has 16 divisors (see below), whose sum is σ = 715008. Its totient is φ = 223200.

The previous prime is 429889. The next prime is 429899. The reversal of 429891 is 198924.

It is not a de Polignac number, because 429891 - 2¹ = 429889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

429891 is a modest number, since divided by 891 gives 429 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429899) 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, 700 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2⁴²⁹⁸⁹¹ is an apocalyptic number.

429891 is a deficient number, since it is larger than the sum of its proper divisors (285117).

429891 is a wasteful number, since it uses less digits than its factorization.

429891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its digits is 5184, while the sum is 33.

The square root of 429891 is about 655.6607354417. The cubic root of 429891 is about 75.4720449697.

Adding to 429891 its sum of digits (33), we get a palindrome (429924).

The spelling of 429891 in words is "four hundred twenty-nine thousand, eight hundred ninety-one".