434729886 has 16 divisors (see below), whose sum is σ = 870343824. Its totient is φ = 144762624.

The previous prime is 434729881. The next prime is 434729941. The reversal of 434729886 is 688927434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434729881) 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, 30355 + ... + 42318.

It is an arithmetic number, because the mean of its divisors is an integer number (54396489).

Almost surely, 2^434729886 is an apocalyptic number.

434729886 is an abundant number, since it is smaller than the sum of its proper divisors (435613938).

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

434729886 is a wasteful number, since it uses less digits than its factorization.

434729886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73675.

The product of its digits is 2322432, while the sum is 51.

The square root of 434729886 is about 20850.1771215498. The cubic root of 434729886 is about 757.5416213012.

The spelling of 434729886 in words is "four hundred thirty-four million, seven hundred twenty-nine thousand, eight hundred eighty-six".