429489 has 8 divisors (see below), whose sum is σ = 636320. Its totient is φ = 286308.

The previous prime is 429487. The next prime is 429497. The reversal of 429489 is 984924.

It is a happy number.

It is not a de Polignac number, because 429489 - 2¹ = 429487 is a prime.

It is a super-2 number, since 2×429489² = 368921602242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429487) 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, 7927 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (79540).

2⁴²⁹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

429489 is a deficient number, since it is larger than the sum of its proper divisors (206831).

429489 is a wasteful number, since it uses less digits than its factorization.

429489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15916 (or 15910 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 429489 is about 655.3541027567. The cubic root of 429489 is about 75.4485124742.

The spelling of 429489 in words is "four hundred twenty-nine thousand, four hundred eighty-nine".