634034434 has 24 divisors (see below), whose sum is σ = 1047054204. Its totient is φ = 287733600.

The previous prime is 634034407. The next prime is 634034449. The reversal of 634034434 is 434430436.

It can be written as a sum of positive squares in 2 ways, for example, as 627352209 + 6682225 = 25047^2 + 2585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 634034396 and 634034405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181464 + ... + 184924.

Almost surely, 2^634034434 is an apocalyptic number.

634034434 is a deficient number, since it is larger than the sum of its proper divisors (413019770).

634034434 is a wasteful number, since it uses less digits than its factorization.

634034434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

The square root of 634034434 is about 25180.0403891654. The cubic root of 634034434 is about 859.0879252332.

The spelling of 634034434 in words is "six hundred thirty-four million, thirty-four thousand, four hundred thirty-four".