429940806 has 8 divisors (see below), whose sum is σ = 859881624. Its totient is φ = 143313600.

The previous prime is 429940793. The next prime is 429940807. The reversal of 429940806 is 608049924.

It is a sphenic number, since it is the product of 3 distinct primes.

429940806 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429940807) 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, 35828395 + ... + 35828406.

It is an arithmetic number, because the mean of its divisors is an integer number (107485203).

Almost surely, 2^429940806 is an apocalyptic number.

429940806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

429940806 is a wasteful number, since it uses less digits than its factorization.

429940806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71656806.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 429940806 is about 20735.0140101231. The cubic root of 429940806 is about 754.7495951899.

The spelling of 429940806 in words is "four hundred twenty-nine million, nine hundred forty thousand, eight hundred six".