429669 has 6 divisors (see below), whose sum is σ = 620646. Its totient is φ = 286440.

The previous prime is 429661. The next prime is 429673. The reversal of 429669 is 966924.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 213444 = 465^2 + 462^2 .

It is not a de Polignac number, because 429669 - 2³ = 429661 is a prime.

It is a super-2 number, since 2×429669² = 369230899122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23862 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (103441).

2⁴²⁹⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

429669 is a deficient number, since it is larger than the sum of its proper divisors (190977).

429669 is a wasteful number, since it uses less digits than its factorization.

429669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47747 (or 47744 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 429669 is about 655.4914187081. The cubic root of 429669 is about 75.4590512272.

The spelling of 429669 in words is "four hundred twenty-nine thousand, six hundred sixty-nine".