434471856 has 160 divisors (see below), whose sum is σ = 1462906368. Its totient is φ = 107827200.

The previous prime is 434471833. The next prime is 434471861. The reversal of 434471856 is 658174434.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71331 + ... + 77181.

Almost surely, 2^434471856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434471856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731453184).

434471856 is an abundant number, since it is smaller than the sum of its proper divisors (1028434512).

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

434471856 is a wasteful number, since it uses less digits than its factorization.

434471856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899 (or 5893 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 434471856 is about 20843.9884858920. The cubic root of 434471856 is about 757.3917143080.

The spelling of 434471856 in words is "four hundred thirty-four million, four hundred seventy-one thousand, eight hundred fifty-six".