434430642 has 8 divisors (see below), whose sum is σ = 868861296. Its totient is φ = 144810212.

The previous prime is 434430641. The next prime is 434430679. The reversal of 434430642 is 246034434.

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

434430642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (434430641) 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, 36202548 + ... + 36202559.

It is an arithmetic number, because the mean of its divisors is an integer number (108607662).

Almost surely, 2^434430642 is an apocalyptic number.

434430642 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.

434430642 is a wasteful number, since it uses less digits than its factorization.

434430642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72405112.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 434430642 is about 20842.9998320779. Note that the first 3 decimals coincide. The cubic root of 434430642 is about 757.3677648248.

The spelling of 434430642 in words is "four hundred thirty-four million, four hundred thirty thousand, six hundred forty-two".