429666 has 16 divisors (see below), whose sum is σ = 904800. Its totient is φ = 135648.

The previous prime is 429661. The next prime is 429673. The reversal of 429666 is 666924.

It is a super-2 number, since 2×429666² = 369225743112, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1771 + ... + 1998.

It is an arithmetic number, because the mean of its divisors is an integer number (56550).

2⁴²⁹⁶⁶⁶ is an apocalyptic number.

429666 is an abundant number, since it is smaller than the sum of its proper divisors (475134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

429666 is a wasteful number, since it uses less digits than its factorization.

429666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its digits is 15552, while the sum is 33.

The square root of 429666 is about 655.4891303447. The cubic root of 429666 is about 75.4588756054.

The spelling of 429666 in words is "four hundred twenty-nine thousand, six hundred sixty-six".