634419748 has 12 divisors (see below), whose sum is σ = 1114244572. Its totient is φ = 316064160.

The previous prime is 634419733. The next prime is 634419767. The reversal of 634419748 is 847914436.

It can be written as a sum of positive squares in 2 ways, for example, as 41886784 + 592532964 = 6472^2 + 24342^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 634419698 and 634419707.

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, 285183 + ... + 287398.

Almost surely, 2^634419748 is an apocalyptic number.

It is an amenable number.

634419748 is a deficient number, since it is larger than the sum of its proper divisors (479824824).

634419748 is a wasteful number, since it uses less digits than its factorization.

634419748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572862 (or 572860 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 634419748 is about 25187.6904062282. The cubic root of 634419748 is about 859.2619176613.

The spelling of 634419748 in words is "six hundred thirty-four million, four hundred nineteen thousand, seven hundred forty-eight".