8161832 has 48 divisors (see below), whose sum is σ = 18221760. Its totient is φ = 3415776.

The previous prime is 8161831. The next prime is 8161837. The reversal of 8161832 is 2381618.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8161795 and 8161804.

It is not an unprimeable number, because it can be changed into a prime (8161831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18203 + ... + 18645.

It is an arithmetic number, because the mean of its divisors is an integer number (379620).

Almost surely, 2^8161832 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 8161832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9110880).

8161832 is an abundant number, since it is smaller than the sum of its proper divisors (10059928).

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

8161832 is a wasteful number, since it uses less digits than its factorization.

8161832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 499 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 8161832 is about 2856.8920175603. The cubic root of 8161832 is about 201.3396072291.

The spelling of 8161832 in words is "eight million, one hundred sixty-one thousand, eight hundred thirty-two".