8195780 has 24 divisors (see below), whose sum is σ = 17767680. Its totient is φ = 3172320.

The previous prime is 8195779. The next prime is 8195801. The reversal of 8195780 is 875918.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5990 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (740320).

Almost surely, 2^8195780 is an apocalyptic number.

It is an amenable number.

8195780 is an abundant number, since it is smaller than the sum of its proper divisors (9571900).

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

8195780 is a wasteful number, since it uses less digits than its factorization.

8195780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259 (or 13257 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 8195780 is about 2862.8272738676. The cubic root of 8195780 is about 201.6183690850.

It can be divided in two parts, 8195 and 780, that multiplied together give a triangular number (6392100 = T₃₅₇₅).

The spelling of 8195780 in words is "eight million, one hundred ninety-five thousand, seven hundred eighty".