8001860 has 12 divisors (see below), whose sum is σ = 16803948. Its totient is φ = 3200736.

The previous prime is 8001859. The next prime is 8001863. The reversal of 8001860 is 681008.

It can be written as a sum of positive squares in 2 ways, for example, as 1811716 + 6190144 = 1346^2 + 2488^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8001863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200027 + ... + 200066.

It is an arithmetic number, because the mean of its divisors is an integer number (1400329).

Almost surely, 2^8001860 is an apocalyptic number.

It is an amenable number.

8001860 is an abundant number, since it is smaller than the sum of its proper divisors (8802088).

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

8001860 is a wasteful number, since it uses less digits than its factorization.

8001860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400102 (or 400100 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8001860 is about 2828.7559102899. The cubic root of 8001860 is about 200.0154987989.

Adding to 8001860 its reverse (681008), we get a palindrome (8682868).

The spelling of 8001860 in words is "eight million, one thousand, eight hundred sixty".