8159436 has 72 divisors (see below), whose sum is σ = 22131200. Its totient is φ = 2527200.

The previous prime is 8159423. The next prime is 8159441. The reversal of 8159436 is 6349518.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8159436.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53961 + ... + 54111.

Almost surely, 2^8159436 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 8159436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11065600).

8159436 is an abundant number, since it is smaller than the sum of its proper divisors (13971764).

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

8159436 is a wasteful number, since it uses less digits than its factorization.

8159436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 254 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 8159436 is about 2856.4726499653. The cubic root of 8159436 is about 201.3199034456.

The spelling of 8159436 in words is "eight million, one hundred fifty-nine thousand, four hundred thirty-six".