634106228 has 96 divisors (see below), whose sum is σ = 1441843200. Its totient is φ = 237638016.

The previous prime is 634106197. The next prime is 634106243. The reversal of 634106228 is 822601436.

It is a junction number, because it is equal to n+sod(n) for n = 634106194 and 634106203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353951 + ... + 355737.

It is an arithmetic number, because the mean of its divisors is an integer number (15019200).

Almost surely, 2^634106228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634106228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720921600).

634106228 is an abundant number, since it is smaller than the sum of its proper divisors (807736972).

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

634106228 is a wasteful number, since it uses less digits than its factorization.

634106228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 634106228 is about 25181.4659620920. The cubic root of 634106228 is about 859.1203498815.

The spelling of 634106228 in words is "six hundred thirty-four million, one hundred six thousand, two hundred twenty-eight".