634349683 has 32 divisors (see below), whose sum is σ = 771379200. Its totient is φ = 515222400.

The previous prime is 634349671. The next prime is 634349689. The reversal of 634349683 is 386943436.

It is a de Polignac number, because none of the positive numbers 2^k-634349683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634349689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226053 + ... + 228841.

It is an arithmetic number, because the mean of its divisors is an integer number (24105600).

Almost surely, 2^634349683 is an apocalyptic number.

634349683 is a deficient number, since it is larger than the sum of its proper divisors (137029517).

634349683 is a wasteful number, since it uses less digits than its factorization.

634349683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883.

The product of its digits is 1119744, while the sum is 46.

The square root of 634349683 is about 25186.2995098526. The cubic root of 634349683 is about 859.2302843445.

The spelling of 634349683 in words is "six hundred thirty-four million, three hundred forty-nine thousand, six hundred eighty-three".