429897 has 16 divisors (see below), whose sum is σ = 629888. Its totient is φ = 259200.

The previous prime is 429889. The next prime is 429899. The reversal of 429897 is 798924.

It is not a de Polignac number, because 429897 - 2³ = 429889 is a prime.

It is a super-2 number, since 2×429897² = 369622861218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian 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, 2772 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (39368).

2⁴²⁹⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

429897 is a deficient number, since it is larger than the sum of its proper divisors (199991).

429897 is a wasteful number, since it uses less digits than its factorization.

429897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its digits is 36288, while the sum is 39.

The square root of 429897 is about 655.6653109628. The cubic root of 429897 is about 75.4723960898.

It can be divided in two parts, 429 and 897, that added together give a triangular number (1326 = T₅₁).

The spelling of 429897 in words is "four hundred twenty-nine thousand, eight hundred ninety-seven".