8443136 has 72 divisors (see below), whose sum is σ = 18886560. Its totient is φ = 3741696.

The previous prime is 8443121. The next prime is 8443151. The reversal of 8443136 is 6313448.

It is an interprime number because it is at equal distance from previous prime (8443121) and next prime (8443151).

It is a junction number, because it is equal to n+sod(n) for n = 8443099 and 8443108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143075 + ... + 143133.

Almost surely, 2^8443136 is an apocalyptic number.

8443136 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8443136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9443280).

8443136 is an abundant number, since it is smaller than the sum of its proper divisors (10443424).

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

8443136 is a wasteful number, since it uses less digits than its factorization.

8443136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 117 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 8443136 is about 2905.7074869986. The cubic root of 8443136 is about 203.6266399191.

The spelling of 8443136 in words is "eight million, four hundred forty-three thousand, one hundred thirty-six".