634268 has 6 divisors (see below), whose sum is σ = 1109976. Its totient is φ = 317132.

The previous prime is 634267. The next prime is 634273. The reversal of 634268 is 862436.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 634268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79280 + ... + 79287.

It is an arithmetic number, because the mean of its divisors is an integer number (184996).

2⁶³⁴²⁶⁸ is an apocalyptic number.

It is an amenable number.

634268 is a deficient number, since it is larger than the sum of its proper divisors (475708).

634268 is a wasteful number, since it uses less digits than its factorization.

634268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158571 (or 158569 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 634268 is about 796.4094424352. The cubic root of 634268 is about 85.9193402731.

The spelling of 634268 in words is "six hundred thirty-four thousand, two hundred sixty-eight".