634235 has 8 divisors (see below), whose sum is σ = 869856. Its totient is φ = 434880.

The previous prime is 634223. The next prime is 634237. The reversal of 634235 is 532436.

634235 = 298² + 299² + ... + 304².

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

It is not a de Polignac number, because 634235 - 2¹⁶ = 568699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634235.

It is not an unprimeable number, because it can be changed into a prime (634237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9026 + ... + 9095.

It is an arithmetic number, because the mean of its divisors is an integer number (108732).

2⁶³⁴²³⁵ is an apocalyptic number.

634235 is a deficient number, since it is larger than the sum of its proper divisors (235621).

634235 is a wasteful number, since it uses less digits than its factorization.

634235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133.

The product of its digits is 2160, while the sum is 23.

The square root of 634235 is about 796.3887241793. The cubic root of 634235 is about 85.9178501630.

The spelling of 634235 in words is "six hundred thirty-four thousand, two hundred thirty-five".