634589338 has 8 divisors (see below), whose sum is σ = 965291040. Its totient is φ = 312825660.

The previous prime is 634589273. The next prime is 634589357. The reversal of 634589338 is 833985436.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 634589291 and 634589300.

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, 2234328 + ... + 2234611.

It is an arithmetic number, because the mean of its divisors is an integer number (120661380).

Almost surely, 2^634589338 is an apocalyptic number.

634589338 is a deficient number, since it is larger than the sum of its proper divisors (330701702).

634589338 is a wasteful number, since it uses less digits than its factorization.

634589338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469012.

The product of its digits is 1866240, while the sum is 49.

The square root of 634589338 is about 25191.0567066965. The cubic root of 634589338 is about 859.3384754116.

The spelling of 634589338 in words is "six hundred thirty-four million, five hundred eighty-nine thousand, three hundred thirty-eight".