634487416 has 64 divisors (see below), whose sum is σ = 1263974400. Its totient is φ = 298166400.

The previous prime is 634487383. The next prime is 634487417. The reversal of 634487416 is 614784436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634487417) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1506886 + ... + 1507306.

It is an arithmetic number, because the mean of its divisors is an integer number (19749600).

Almost surely, 2^634487416 is an apocalyptic number.

It is an amenable number.

634487416 is a deficient number, since it is larger than the sum of its proper divisors (629486984).

634487416 is a wasteful number, since it uses less digits than its factorization.

634487416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 616 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 634487416 is about 25189.0336456165. The cubic root of 634487416 is about 859.2924665571.

The spelling of 634487416 in words is "six hundred thirty-four million, four hundred eighty-seven thousand, four hundred sixteen".