8361800 has 24 divisors (see below), whose sum is σ = 19441650. Its totient is φ = 3344640.

The previous prime is 8361779. The next prime is 8361803. The reversal of 8361800 is 81638.

It can be written as a sum of positive squares in 3 ways, for example, as 5410276 + 2951524 = 2326^2 + 1718^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8361800.

It is not an unprimeable number, because it can be changed into a prime (8361803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20705 + ... + 21104.

Almost surely, 2^8361800 is an apocalyptic number.

It is an amenable number.

8361800 is an abundant number, since it is smaller than the sum of its proper divisors (11079850).

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

8361800 is a wasteful number, since it uses less digits than its factorization.

8361800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41825 (or 41816 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8361800 is about 2891.6777137157. The cubic root of 8361800 is about 202.9706575076.

The spelling of 8361800 in words is "eight million, three hundred sixty-one thousand, eight hundred".