434640422 has 8 divisors (see below), whose sum is σ = 652151736. Its totient is φ = 217256512.

The previous prime is 434640419. The next prime is 434640463. The reversal of 434640422 is 224046434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22808 + ... + 37275.

It is an arithmetic number, because the mean of its divisors is an integer number (81518967).

Almost surely, 2^434640422 is an apocalyptic number.

434640422 is a deficient number, since it is larger than the sum of its proper divisors (217511314).

434640422 is a wasteful number, since it uses less digits than its factorization.

434640422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63702.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 434640422 is about 20848.0316097228. The cubic root of 434640422 is about 757.4896523619.

Adding to 434640422 its reverse (224046434), we get a palindrome (658686856).

The spelling of 434640422 in words is "four hundred thirty-four million, six hundred forty thousand, four hundred twenty-two".