634343435 has 8 divisors (see below), whose sum is σ = 830413296. Its totient is φ = 461340640.

The previous prime is 634343393. The next prime is 634343441. The reversal of 634343435 is 534343436.

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

It is not a de Polignac number, because 634343435 - 2¹⁶ = 634277899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634343395 and 634343404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5766704 + ... + 5766813.

It is an arithmetic number, because the mean of its divisors is an integer number (103801662).

Almost surely, 2^634343435 is an apocalyptic number.

634343435 is a deficient number, since it is larger than the sum of its proper divisors (196069861).

634343435 is a wasteful number, since it uses less digits than its factorization.

634343435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11533533.

The product of its digits is 155520, while the sum is 35.

The square root of 634343435 is about 25186.1754738587. The cubic root of 634343435 is about 859.2274633513.

Subtracting from 634343435 its reverse (534343436), we obtain a palindrome (99999999).

The spelling of 634343435 in words is "six hundred thirty-four million, three hundred forty-three thousand, four hundred thirty-five".