434402430 has 128 divisors (see below), whose sum is σ = 1305870336. Its totient is φ = 89846400.

The previous prime is 434402407. The next prime is 434402443. The reversal of 434402430 is 34204434.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 434402430.

It is a congruent number.

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, 884485 + ... + 884975.

It is an arithmetic number, because the mean of its divisors is an integer number (10202112).

Almost surely, 2^434402430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434402430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652935168).

434402430 is an abundant number, since it is smaller than the sum of its proper divisors (871467906).

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

434402430 is a wasteful number, since it uses less digits than its factorization.

434402430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 434402430 is about 20842.3230471078. The cubic root of 434402430 is about 757.3513699393.

Adding to 434402430 its reverse (34204434), we get a palindrome (468606864).

The spelling of 434402430 in words is "four hundred thirty-four million, four hundred two thousand, four hundred thirty".