4238791236 has 45 divisors (see below), whose sum is σ = 11084102029. Its totient is φ = 1412539776.

The previous prime is 4238791223. The next prime is 4238791259. The reversal of 4238791236 is 6321978324.

The square root of 4238791236 is 65106.

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

4238791236 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 4217723136 = 4590^2 + 64944^2 .

It is a super-2 number, since 2×4238791236² = 35934702284780815392, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4238791191 and 4238791200.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1170100 + ... + 1173716.

Almost surely, 2^4238791236 is an apocalyptic number.

4238791236 is the 65106-th square number.

It is an amenable number.

4238791236 is an abundant number, since it is smaller than the sum of its proper divisors (6845310793).

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

4238791236 is an frugal number, since it uses more digits than its factorization.

4238791236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250 (or 3622 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The cubic root of 4238791236 is about 1618.3806452040.

The spelling of 4238791236 in words is "four billion, two hundred thirty-eight million, seven hundred ninety-one thousand, two hundred thirty-six".