634230 has 64 divisors (see below), whose sum is σ = 1771200. Its totient is φ = 163296.

The previous prime is 634223. The next prime is 634237. The reversal of 634230 is 32436.

634230 is a `hidden beast` number, since 634 + 2 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (634223) and next prime (634237).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a zygodrome in base 9.

It is a congruent number.

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

634230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21856 + ... + 21884.

It is an arithmetic number, because the mean of its divisors is an integer number (27675).

2⁶³⁴²³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885600).

634230 is an abundant number, since it is smaller than the sum of its proper divisors (1136970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634230 is an equidigital number, since it uses as much as digits as its factorization.

634230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 634230 is about 796.3855850026. The cubic root of 634230 is about 85.9176243842.

Adding to 634230 its reverse (32436), we get a palindrome (666666).

The spelling of 634230 in words is "six hundred thirty-four thousand, two hundred thirty".