4638427236 has 27 divisors (see below), whose sum is σ = 11725946323. Its totient is φ = 1546006200.

The previous prime is 4638427201. The next prime is 4638427247. The reversal of 4638427236 is 6327248364.

The square root of 4638427236 is 68106.

It is a perfect power (a square), and thus also a powerful number.

4638427236 is a `hidden beast` number, since 4 + 638 + 4 + 2 + 7 + 2 + 3 + 6 = 666.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4638427191 and 4638427200.

It is an unprimeable 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 in 8 ways as a sum of consecutive naturals, for example, 402961 + ... + 414311.

Almost surely, 2^4638427236 is an apocalyptic number.

4638427236 is the 68106-th square number.

It is an amenable number.

4638427236 is an abundant number, since it is smaller than the sum of its proper divisors (7087519087).

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

4638427236 is an equidigital number, since it uses as much as digits as its factorization.

4638427236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22712 (or 11356 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The cubic root of 4638427236 is about 1667.7217114185.

The spelling of 4638427236 in words is "four billion, six hundred thirty-eight million, four hundred twenty-seven thousand, two hundred thirty-six".