434304234 has 128 divisors (see below), whose sum is σ = 1226588160. Its totient is φ = 110808000.

The previous prime is 434304197. The next prime is 434304271. The reversal of 434304234 is 432403434.

It is an interprime number because it is at equal distance from previous prime (434304197) and next prime (434304271).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 434304198 and 434304207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150909 + ... + 153759.

It is an arithmetic number, because the mean of its divisors is an integer number (9582720).

Almost surely, 2^434304234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434304234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613294080).

434304234 is an abundant number, since it is smaller than the sum of its proper divisors (792283926).

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

434304234 is a wasteful number, since it uses less digits than its factorization.

434304234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 434304234 is about 20839.9672264618. The cubic root of 434304234 is about 757.2942996021.

Adding to 434304234 its reverse (432403434), we get a palindrome (866707668).

The spelling of 434304234 in words is "four hundred thirty-four million, three hundred four thousand, two hundred thirty-four".