8134820 has 24 divisors (see below), whose sum is σ = 17546424. Its totient is φ = 3165696.

The previous prime is 8134813. The next prime is 8134849. The reversal of 8134820 is 284318.

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 7086244 = 1024^2 + 2662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8134820.

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, 4757 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (731101).

Almost surely, 2^8134820 is an apocalyptic number.

It is an amenable number.

8134820 is an abundant number, since it is smaller than the sum of its proper divisors (9411604).

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

8134820 is a wasteful number, since it uses less digits than its factorization.

8134820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039 (or 11037 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8134820 is about 2852.1605845394. The cubic root of 8134820 is about 201.1172471722.

The spelling of 8134820 in words is "eight million, one hundred thirty-four thousand, eight hundred twenty".