634059644 has 18 divisors (see below), whose sum is σ = 1116639552. Its totient is φ = 315023800.

The previous prime is 634059589. The next prime is 634059667. The reversal of 634059644 is 446950436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695549 + ... + 696459.

Almost surely, 2^634059644 is an apocalyptic number.

It is an amenable number.

634059644 is a deficient number, since it is larger than the sum of its proper divisors (482579908).

634059644 is an equidigital number, since it uses as much as digits as its factorization.

634059644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 634059644 is about 25180.5409790973. The cubic root of 634059644 is about 859.0993112181.

The spelling of 634059644 in words is "six hundred thirty-four million, fifty-nine thousand, six hundred forty-four".