434429566 has 24 divisors (see below), whose sum is σ = 717675984. Its totient is φ = 196827840.

The previous prime is 434429551. The next prime is 434429587. The reversal of 434429566 is 665924434.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3526 + ... + 29686.

It is an arithmetic number, because the mean of its divisors is an integer number (29903166).

Almost surely, 2^434429566 is an apocalyptic number.

434429566 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

434429566 is a deficient number, since it is larger than the sum of its proper divisors (283246418).

434429566 is a wasteful number, since it uses less digits than its factorization.

434429566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26224 (or 26205 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The square root of 434429566 is about 20842.9740200385. The cubic root of 434429566 is about 757.3671395402.

The spelling of 434429566 in words is "four hundred thirty-four million, four hundred twenty-nine thousand, five hundred sixty-six".