429861 has 4 divisors (see below), whose sum is σ = 573152. Its totient is φ = 286572.

The previous prime is 429853. The next prime is 429881. The reversal of 429861 is 168924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 429861 - 2³ = 429853 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429851) 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, 71641 + ... + 71646.

It is an arithmetic number, because the mean of its divisors is an integer number (143288).

2⁴²⁹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

429861 is a deficient number, since it is larger than the sum of its proper divisors (143291).

429861 is a wasteful number, since it uses less digits than its factorization.

429861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143290.

The product of its digits is 3456, while the sum is 30.

The square root of 429861 is about 655.6378573572. The cubic root of 429861 is about 75.4702893200.

The spelling of 429861 in words is "four hundred twenty-nine thousand, eight hundred sixty-one".