1008634228 has 72 divisors (see below), whose sum is σ = 2231335680. Its totient is φ = 396264960.

The previous prime is 1008634217. The next prime is 1008634229. The reversal of 1008634228 is 8224368001.

1008634228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1008634193 and 1008634202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008634229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111076 + ... + 119812.

Almost surely, 2^1008634228 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 1008634228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115667840).

1008634228 is an abundant number, since it is smaller than the sum of its proper divisors (1222701452).

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

1008634228 is a wasteful number, since it uses less digits than its factorization.

1008634228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8805 (or 8796 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1008634228 is about 31759.0023143045. The cubic root of 1008634228 is about 1002.8698321846.

The spelling of 1008634228 in words is "one billion, eight million, six hundred thirty-four thousand, two hundred twenty-eight".