8361860 has 48 divisors (see below), whose sum is σ = 19580400. Its totient is φ = 2978304.

The previous prime is 8361853. The next prime is 8361901. The reversal of 8361860 is 681638.

8361860 = T₁₄₄ + T₁₄₅ + ... + T₃₇₅.

It can be written as a sum of positive squares in 8 ways, for example, as 2534464 + 5827396 = 1592^2 + 2414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6986 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (407925).

Almost surely, 2^8361860 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 8361860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9790200).

8361860 is an abundant number, since it is smaller than the sum of its proper divisors (11218540).

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

8361860 is a wasteful number, since it uses less digits than its factorization.

8361860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8361860 is about 2891.6880882972. The cubic root of 8361860 is about 202.9711429776.

The spelling of 8361860 in words is "eight million, three hundred sixty-one thousand, eight hundred sixty".