634364 has 6 divisors (see below), whose sum is σ = 1110144. Its totient is φ = 317180.

The previous prime is 634343. The next prime is 634367. The reversal of 634364 is 463436.

It is a d-powerful number, because it can be written as 6 + 3¹¹ + 3¹¹ + 4³ + 6⁷ + 4³ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 634364.

It is not an unprimeable number, because it can be changed into a prime (634367) by changing a digit.

634364 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 79292 + ... + 79299.

It is an arithmetic number, because the mean of its divisors is an integer number (185024).

2⁶³⁴³⁶⁴ is an apocalyptic number.

It is an amenable number.

634364 is a deficient number, since it is larger than the sum of its proper divisors (475780).

634364 is a wasteful number, since it uses less digits than its factorization.

634364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158595 (or 158593 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 634364 is about 796.4697106607. The cubic root of 634364 is about 85.9236748449.

The spelling of 634364 in words is "six hundred thirty-four thousand, three hundred sixty-four".